Home / 3,148,574.80-4,733,359.80-2,686,680.40

Finding the Fourth Proportional to 3,148,574.80, 4,733,359.80 and 2,686,680.40

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Solution

The fourth proportional to 3,148,574.80, 4,733,359.80 and 2,686,680.40 is: 4,038,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,574.80 : 4,733,359.80 = 2,686,680.40 : x
  2. Step 2: Convert to fraction form
    3,148,574.80/4,733,359.80 = 2,686,680.40/x
  3. Step 3: Cross multiply
    3,148,574.80x = 4,733,359.80 × 2,686,680.40
  4. Step 4: Simplify right side
    3,148,574.80x = 12,717,025,000,807.92
  5. Step 5: Solve for x
    x = 12,717,025,000,807.92/3,148,574.80
  6. Step 6: Final answer
    x = 4,038,978.21

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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.