Home / 1,926,327.60-2,889,491.40-981,543.60

Finding the Fourth Proportional to 1,926,327.60, 2,889,491.40 and 981,543.60

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Solution

The fourth proportional to 1,926,327.60, 2,889,491.40 and 981,543.60 is: 1,472,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,327.60 : 2,889,491.40 = 981,543.60 : x
  2. Step 2: Convert to fraction form
    1,926,327.60/2,889,491.40 = 981,543.60/x
  3. Step 3: Cross multiply
    1,926,327.60x = 2,889,491.40 × 981,543.60
  4. Step 4: Simplify right side
    1,926,327.60x = 2,836,161,790,925.04
  5. Step 5: Solve for x
    x = 2,836,161,790,925.04/1,926,327.60
  6. Step 6: Final answer
    x = 1,472,315.40

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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.