Home / 2,509,587.32-3,463,218.88-1,421,856.45

Finding the Fourth Proportional to 2,509,587.32, 3,463,218.88 and 1,421,856.45

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Solution

The fourth proportional to 2,509,587.32, 3,463,218.88 and 1,421,856.45 is: 1,962,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,587.32 : 3,463,218.88 = 1,421,856.45 : x
  2. Step 2: Convert to fraction form
    2,509,587.32/3,463,218.88 = 1,421,856.45/x
  3. Step 3: Cross multiply
    2,509,587.32x = 3,463,218.88 × 1,421,856.45
  4. Step 4: Simplify right side
    2,509,587.32x = 4,924,200,102,289.78
  5. Step 5: Solve for x
    x = 4,924,200,102,289.78/2,509,587.32
  6. Step 6: Final answer
    x = 1,962,155.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.