Home / 2,520,875.52-3,478,805.76-1,374,952.32

Finding the Fourth Proportional to 2,520,875.52, 3,478,805.76 and 1,374,952.32

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Solution

The fourth proportional to 2,520,875.52, 3,478,805.76 and 1,374,952.32 is: 1,897,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,875.52 : 3,478,805.76 = 1,374,952.32 : x
  2. Step 2: Convert to fraction form
    2,520,875.52/3,478,805.76 = 1,374,952.32/x
  3. Step 3: Cross multiply
    2,520,875.52x = 3,478,805.76 × 1,374,952.32
  4. Step 4: Simplify right side
    2,520,875.52x = 4,783,192,050,541.36
  5. Step 5: Solve for x
    x = 4,783,192,050,541.36/2,520,875.52
  6. Step 6: Final answer
    x = 1,897,432.86

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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.