Home / 1,838,143.75-2,536,460.66-1,063,620.10

Finding the Fourth Proportional to 1,838,143.75, 2,536,460.66 and 1,063,620.10

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Solution

The fourth proportional to 1,838,143.75, 2,536,460.66 and 1,063,620.10 is: 1,467,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,143.75 : 2,536,460.66 = 1,063,620.10 : x
  2. Step 2: Convert to fraction form
    1,838,143.75/2,536,460.66 = 1,063,620.10/x
  3. Step 3: Cross multiply
    1,838,143.75x = 2,536,460.66 × 1,063,620.10
  4. Step 4: Simplify right side
    1,838,143.75x = 2,697,830,532,397.30
  5. Step 5: Solve for x
    x = 2,697,830,532,397.30/1,838,143.75
  6. Step 6: Final answer
    x = 1,467,692.90

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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.