Home / 3,478,263.90-5,217,753.76-1,203,784.32

Finding the Fourth Proportional to 3,478,263.90, 5,217,753.76 and 1,203,784.32

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Solution

The fourth proportional to 3,478,263.90, 5,217,753.76 and 1,203,784.32 is: 1,805,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,263.90 : 5,217,753.76 = 1,203,784.32 : x
  2. Step 2: Convert to fraction form
    3,478,263.90/5,217,753.76 = 1,203,784.32/x
  3. Step 3: Cross multiply
    3,478,263.90x = 5,217,753.76 × 1,203,784.32
  4. Step 4: Simplify right side
    3,478,263.90x = 6,281,050,161,909.04
  5. Step 5: Solve for x
    x = 6,281,050,161,909.04/3,478,263.90
  6. Step 6: Final answer
    x = 1,805,800.35

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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.