Home / 1,939,637.32-2,909,697.52-660,146.47

Finding the Fourth Proportional to 1,939,637.32, 2,909,697.52 and 660,146.47

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Solution

The fourth proportional to 1,939,637.32, 2,909,697.52 and 660,146.47 is: 990,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,637.32 : 2,909,697.52 = 660,146.47 : x
  2. Step 2: Convert to fraction form
    1,939,637.32/2,909,697.52 = 660,146.47/x
  3. Step 3: Cross multiply
    1,939,637.32x = 2,909,697.52 × 660,146.47
  4. Step 4: Simplify right side
    1,939,637.32x = 1,920,826,546,595.75
  5. Step 5: Solve for x
    x = 1,920,826,546,595.75/1,939,637.32
  6. Step 6: Final answer
    x = 990,301.91

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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.