Home / 1,931,472.73-2,900,053.13-1,080,212.19

Finding the Fourth Proportional to 1,931,472.73, 2,900,053.13 and 1,080,212.19

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Solution

The fourth proportional to 1,931,472.73, 2,900,053.13 and 1,080,212.19 is: 1,621,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,472.73 : 2,900,053.13 = 1,080,212.19 : x
  2. Step 2: Convert to fraction form
    1,931,472.73/2,900,053.13 = 1,080,212.19/x
  3. Step 3: Cross multiply
    1,931,472.73x = 2,900,053.13 × 1,080,212.19
  4. Step 4: Simplify right side
    1,931,472.73x = 3,132,672,742,673.65
  5. Step 5: Solve for x
    x = 3,132,672,742,673.65/1,931,472.73
  6. Step 6: Final answer
    x = 1,621,908.86

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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.