Home / 2,459,520-3,394,137.60-1,386,432

Finding the Fourth Proportional to 2,459,520, 3,394,137.60 and 1,386,432

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Solution

The fourth proportional to 2,459,520, 3,394,137.60 and 1,386,432 is: 1,913,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459,520 : 3,394,137.60 = 1,386,432 : x
  2. Step 2: Convert to fraction form
    2,459,520/3,394,137.60 = 1,386,432/x
  3. Step 3: Cross multiply
    2,459,520x = 3,394,137.60 × 1,386,432
  4. Step 4: Simplify right side
    2,459,520x = 4,705,740,981,043.20
  5. Step 5: Solve for x
    x = 4,705,740,981,043.20/2,459,520
  6. Step 6: Final answer
    x = 1,913,276.16

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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.