Home / 1,549,709.16-2,138,638.15-851,981.44

Finding the Fourth Proportional to 1,549,709.16, 2,138,638.15 and 851,981.44

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Solution

The fourth proportional to 1,549,709.16, 2,138,638.15 and 851,981.44 is: 1,175,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,709.16 : 2,138,638.15 = 851,981.44 : x
  2. Step 2: Convert to fraction form
    1,549,709.16/2,138,638.15 = 851,981.44/x
  3. Step 3: Cross multiply
    1,549,709.16x = 2,138,638.15 × 851,981.44
  4. Step 4: Simplify right side
    1,549,709.16x = 1,822,079,995,722.84
  5. Step 5: Solve for x
    x = 1,822,079,995,722.84/1,549,709.16
  6. Step 6: Final answer
    x = 1,175,756.10

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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.