Home / 2,999,457.78-4,500,236.43-869,669.70

Finding the Fourth Proportional to 2,999,457.78, 4,500,236.43 and 869,669.70

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Solution

The fourth proportional to 2,999,457.78, 4,500,236.43 and 869,669.70 is: 1,304,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,457.78 : 4,500,236.43 = 869,669.70 : x
  2. Step 2: Convert to fraction form
    2,999,457.78/4,500,236.43 = 869,669.70/x
  3. Step 3: Cross multiply
    2,999,457.78x = 4,500,236.43 × 869,669.70
  4. Step 4: Simplify right side
    2,999,457.78x = 3,913,719,266,007.17
  5. Step 5: Solve for x
    x = 3,913,719,266,007.17/2,999,457.78
  6. Step 6: Final answer
    x = 1,304,808.92

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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.