Home / 2,607,430.20-3,911,145.30-1,487,686.20

Finding the Fourth Proportional to 2,607,430.20, 3,911,145.30 and 1,487,686.20

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Solution

The fourth proportional to 2,607,430.20, 3,911,145.30 and 1,487,686.20 is: 2,231,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,430.20 : 3,911,145.30 = 1,487,686.20 : x
  2. Step 2: Convert to fraction form
    2,607,430.20/3,911,145.30 = 1,487,686.20/x
  3. Step 3: Cross multiply
    2,607,430.20x = 3,911,145.30 × 1,487,686.20
  4. Step 4: Simplify right side
    2,607,430.20x = 5,818,556,889,004.86
  5. Step 5: Solve for x
    x = 5,818,556,889,004.86/2,607,430.20
  6. Step 6: Final answer
    x = 2,231,529.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.