Home / 5,340,748-8,012,126.40-2,146,127.44

Finding the Fourth Proportional to 5,340,748, 8,012,126.40 and 2,146,127.44

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Solution

The fourth proportional to 5,340,748, 8,012,126.40 and 2,146,127.44 is: 3,219,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,748 : 8,012,126.40 = 2,146,127.44 : x
  2. Step 2: Convert to fraction form
    5,340,748/8,012,126.40 = 2,146,127.44/x
  3. Step 3: Cross multiply
    5,340,748x = 8,012,126.40 × 2,146,127.44
  4. Step 4: Simplify right side
    5,340,748x = 17,195,044,319,788.42
  5. Step 5: Solve for x
    x = 17,195,044,319,788.42/5,340,748
  6. Step 6: Final answer
    x = 3,219,594.77

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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.