Home / 3,156,290-4,355,680.20-1,725,506

Finding the Fourth Proportional to 3,156,290, 4,355,680.20 and 1,725,506

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Solution

The fourth proportional to 3,156,290, 4,355,680.20 and 1,725,506 is: 2,381,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,290 : 4,355,680.20 = 1,725,506 : x
  2. Step 2: Convert to fraction form
    3,156,290/4,355,680.20 = 1,725,506/x
  3. Step 3: Cross multiply
    3,156,290x = 4,355,680.20 × 1,725,506
  4. Step 4: Simplify right side
    3,156,290x = 7,515,752,319,181.20
  5. Step 5: Solve for x
    x = 7,515,752,319,181.20/3,156,290
  6. Step 6: Final answer
    x = 2,381,198.28

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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.