Home / 2,898,689.55-4,000,114.71-1,609,496.79

Finding the Fourth Proportional to 2,898,689.55, 4,000,114.71 and 1,609,496.79

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Solution

The fourth proportional to 2,898,689.55, 4,000,114.71 and 1,609,496.79 is: 2,221,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,689.55 : 4,000,114.71 = 1,609,496.79 : x
  2. Step 2: Convert to fraction form
    2,898,689.55/4,000,114.71 = 1,609,496.79/x
  3. Step 3: Cross multiply
    2,898,689.55x = 4,000,114.71 × 1,609,496.79
  4. Step 4: Simplify right side
    2,898,689.55x = 6,438,171,785,376.78
  5. Step 5: Solve for x
    x = 6,438,171,785,376.78/2,898,689.55
  6. Step 6: Final answer
    x = 2,221,062.89

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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.