Home / 1,535,516.30-2,119,019.82-847,188.12

Finding the Fourth Proportional to 1,535,516.30, 2,119,019.82 and 847,188.12

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Solution

The fourth proportional to 1,535,516.30, 2,119,019.82 and 847,188.12 is: 1,169,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,516.30 : 2,119,019.82 = 847,188.12 : x
  2. Step 2: Convert to fraction form
    1,535,516.30/2,119,019.82 = 847,188.12/x
  3. Step 3: Cross multiply
    1,535,516.30x = 2,119,019.82 × 847,188.12
  4. Step 4: Simplify right side
    1,535,516.30x = 1,795,208,417,548.54
  5. Step 5: Solve for x
    x = 1,795,208,417,548.54/1,535,516.30
  6. Step 6: Final answer
    x = 1,169,123.65

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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.