Home / 5,131,463.02-7,081,421.72-2,808,354.17

Finding the Fourth Proportional to 5,131,463.02, 7,081,421.72 and 2,808,354.17

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Solution

The fourth proportional to 5,131,463.02, 7,081,421.72 and 2,808,354.17 is: 3,875,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,463.02 : 7,081,421.72 = 2,808,354.17 : x
  2. Step 2: Convert to fraction form
    5,131,463.02/7,081,421.72 = 2,808,354.17/x
  3. Step 3: Cross multiply
    5,131,463.02x = 7,081,421.72 × 2,808,354.17
  4. Step 4: Simplify right side
    5,131,463.02x = 19,887,140,220,552.36
  5. Step 5: Solve for x
    x = 19,887,140,220,552.36/5,131,463.02
  6. Step 6: Final answer
    x = 3,875,530.26

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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.