Home / 3,913,070.40-5,872,521.60-2,018,836.80

Finding the Fourth Proportional to 3,913,070.40, 5,872,521.60 and 2,018,836.80

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Solution

The fourth proportional to 3,913,070.40, 5,872,521.60 and 2,018,836.80 is: 3,029,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,070.40 : 5,872,521.60 = 2,018,836.80 : x
  2. Step 2: Convert to fraction form
    3,913,070.40/5,872,521.60 = 2,018,836.80/x
  3. Step 3: Cross multiply
    3,913,070.40x = 5,872,521.60 × 2,018,836.80
  4. Step 4: Simplify right side
    3,913,070.40x = 11,855,662,714,874.88
  5. Step 5: Solve for x
    x = 11,855,662,714,874.88/3,913,070.40
  6. Step 6: Final answer
    x = 3,029,759.63

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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.