Home / 2,520,091.40-3,779,699.70-921,831.80

Finding the Fourth Proportional to 2,520,091.40, 3,779,699.70 and 921,831.80

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Solution

The fourth proportional to 2,520,091.40, 3,779,699.70 and 921,831.80 is: 1,382,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,091.40 : 3,779,699.70 = 921,831.80 : x
  2. Step 2: Convert to fraction form
    2,520,091.40/3,779,699.70 = 921,831.80/x
  3. Step 3: Cross multiply
    2,520,091.40x = 3,779,699.70 × 921,831.80
  4. Step 4: Simplify right side
    2,520,091.40x = 3,484,247,377,910.46
  5. Step 5: Solve for x
    x = 3,484,247,377,910.46/2,520,091.40
  6. Step 6: Final answer
    x = 1,382,587.70

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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.