Home / 3,397,686.20-4,688,807.66-1,869,793.36

Finding the Fourth Proportional to 3,397,686.20, 4,688,807.66 and 1,869,793.36

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Solution

The fourth proportional to 3,397,686.20, 4,688,807.66 and 1,869,793.36 is: 2,580,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,686.20 : 4,688,807.66 = 1,869,793.36 : x
  2. Step 2: Convert to fraction form
    3,397,686.20/4,688,807.66 = 1,869,793.36/x
  3. Step 3: Cross multiply
    3,397,686.20x = 4,688,807.66 × 1,869,793.36
  4. Step 4: Simplify right side
    3,397,686.20x = 8,767,101,428,985.14
  5. Step 5: Solve for x
    x = 8,767,101,428,985.14/3,397,686.20
  6. Step 6: Final answer
    x = 2,580,315.22

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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.