Home / 2,934,311.76-4,402,101.06-912,516.12

Finding the Fourth Proportional to 2,934,311.76, 4,402,101.06 and 912,516.12

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Solution

The fourth proportional to 2,934,311.76, 4,402,101.06 and 912,516.12 is: 1,368,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,311.76 : 4,402,101.06 = 912,516.12 : x
  2. Step 2: Convert to fraction form
    2,934,311.76/4,402,101.06 = 912,516.12/x
  3. Step 3: Cross multiply
    2,934,311.76x = 4,402,101.06 × 912,516.12
  4. Step 4: Simplify right side
    2,934,311.76x = 4,016,988,179,119.09
  5. Step 5: Solve for x
    x = 4,016,988,179,119.09/2,934,311.76
  6. Step 6: Final answer
    x = 1,368,971.16

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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.