Home / 4,920,999.30-7,381,498.95-3,893,546.70

Finding the Fourth Proportional to 4,920,999.30, 7,381,498.95 and 3,893,546.70

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Solution

The fourth proportional to 4,920,999.30, 7,381,498.95 and 3,893,546.70 is: 5,840,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,999.30 : 7,381,498.95 = 3,893,546.70 : x
  2. Step 2: Convert to fraction form
    4,920,999.30/7,381,498.95 = 3,893,546.70/x
  3. Step 3: Cross multiply
    4,920,999.30x = 7,381,498.95 × 3,893,546.70
  4. Step 4: Simplify right side
    4,920,999.30x = 28,740,210,877,825.97
  5. Step 5: Solve for x
    x = 28,740,210,877,825.97/4,920,999.30
  6. Step 6: Final answer
    x = 5,840,320.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.