Home / 2,156,305.80-3,234,458.70-1,316,497.80

Finding the Fourth Proportional to 2,156,305.80, 3,234,458.70 and 1,316,497.80

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Solution

The fourth proportional to 2,156,305.80, 3,234,458.70 and 1,316,497.80 is: 1,974,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,305.80 : 3,234,458.70 = 1,316,497.80 : x
  2. Step 2: Convert to fraction form
    2,156,305.80/3,234,458.70 = 1,316,497.80/x
  3. Step 3: Cross multiply
    2,156,305.80x = 3,234,458.70 × 1,316,497.80
  4. Step 4: Simplify right side
    2,156,305.80x = 4,258,157,762,740.86
  5. Step 5: Solve for x
    x = 4,258,157,762,740.86/2,156,305.80
  6. Step 6: Final answer
    x = 1,974,746.70

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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.