Home / 2,900,516.02-4,350,434.07-981,421.49

Finding the Fourth Proportional to 2,900,516.02, 4,350,434.07 and 981,421.49

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Solution

The fourth proportional to 2,900,516.02, 4,350,434.07 and 981,421.49 is: 1,472,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,516.02 : 4,350,434.07 = 981,421.49 : x
  2. Step 2: Convert to fraction form
    2,900,516.02/4,350,434.07 = 981,421.49/x
  3. Step 3: Cross multiply
    2,900,516.02x = 4,350,434.07 × 981,421.49
  4. Step 4: Simplify right side
    2,900,516.02x = 4,269,609,487,126.16
  5. Step 5: Solve for x
    x = 4,269,609,487,126.16/2,900,516.02
  6. Step 6: Final answer
    x = 1,472,017.21

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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.