Home / 3,136,940.30-4,708,909.65-2,931,362.30

Finding the Fourth Proportional to 3,136,940.30, 4,708,909.65 and 2,931,362.30

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Solution

The fourth proportional to 3,136,940.30, 4,708,909.65 and 2,931,362.30 is: 4,400,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,940.30 : 4,708,909.65 = 2,931,362.30 : x
  2. Step 2: Convert to fraction form
    3,136,940.30/4,708,909.65 = 2,931,362.30/x
  3. Step 3: Cross multiply
    3,136,940.30x = 4,708,909.65 × 2,931,362.30
  4. Step 4: Simplify right side
    3,136,940.30x = 13,803,520,222,116.20
  5. Step 5: Solve for x
    x = 13,803,520,222,116.20/3,136,940.30
  6. Step 6: Final answer
    x = 4,400,313.33

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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.