Home / 2,115,753.30-2,919,730.32-1,148,875.74

Finding the Fourth Proportional to 2,115,753.30, 2,919,730.32 and 1,148,875.74

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Solution

The fourth proportional to 2,115,753.30, 2,919,730.32 and 1,148,875.74 is: 1,585,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,753.30 : 2,919,730.32 = 1,148,875.74 : x
  2. Step 2: Convert to fraction form
    2,115,753.30/2,919,730.32 = 1,148,875.74/x
  3. Step 3: Cross multiply
    2,115,753.30x = 2,919,730.32 × 1,148,875.74
  4. Step 4: Simplify right side
    2,115,753.30x = 3,354,407,331,990.44
  5. Step 5: Solve for x
    x = 3,354,407,331,990.44/2,115,753.30
  6. Step 6: Final answer
    x = 1,585,443.51

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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.