Home / 4,078,108.40-5,627,818.86-2,217,510.57

Finding the Fourth Proportional to 4,078,108.40, 5,627,818.86 and 2,217,510.57

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Solution

The fourth proportional to 4,078,108.40, 5,627,818.86 and 2,217,510.57 is: 3,060,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,108.40 : 5,627,818.86 = 2,217,510.57 : x
  2. Step 2: Convert to fraction form
    4,078,108.40/5,627,818.86 = 2,217,510.57/x
  3. Step 3: Cross multiply
    4,078,108.40x = 5,627,818.86 × 2,217,510.57
  4. Step 4: Simplify right side
    4,078,108.40x = 12,479,747,808,724.34
  5. Step 5: Solve for x
    x = 12,479,747,808,724.34/4,078,108.40
  6. Step 6: Final answer
    x = 3,060,180.50

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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.