Home / 4,486,883.40-6,730,325.10-3,990,871.80

Finding the Fourth Proportional to 4,486,883.40, 6,730,325.10 and 3,990,871.80

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Solution

The fourth proportional to 4,486,883.40, 6,730,325.10 and 3,990,871.80 is: 5,986,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,883.40 : 6,730,325.10 = 3,990,871.80 : x
  2. Step 2: Convert to fraction form
    4,486,883.40/6,730,325.10 = 3,990,871.80/x
  3. Step 3: Cross multiply
    4,486,883.40x = 6,730,325.10 × 3,990,871.80
  4. Step 4: Simplify right side
    4,486,883.40x = 26,859,864,646,422.18
  5. Step 5: Solve for x
    x = 26,859,864,646,422.18/4,486,883.40
  6. Step 6: Final answer
    x = 5,986,307.70

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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.