Home / 3,102,116.72-4,280,859.56-1,725,430.90

Finding the Fourth Proportional to 3,102,116.72, 4,280,859.56 and 1,725,430.90

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Solution

The fourth proportional to 3,102,116.72, 4,280,859.56 and 1,725,430.90 is: 2,381,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,116.72 : 4,280,859.56 = 1,725,430.90 : x
  2. Step 2: Convert to fraction form
    3,102,116.72/4,280,859.56 = 1,725,430.90/x
  3. Step 3: Cross multiply
    3,102,116.72x = 4,280,859.56 × 1,725,430.90
  4. Step 4: Simplify right side
    3,102,116.72x = 7,386,327,363,384.40
  5. Step 5: Solve for x
    x = 7,386,327,363,384.40/3,102,116.72
  6. Step 6: Final answer
    x = 2,381,060.43

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1.5x scale

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.