Home / 1,829,728.80-2,746,148.40-1,475,143.20

Finding the Fourth Proportional to 1,829,728.80, 2,746,148.40 and 1,475,143.20

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Solution

The fourth proportional to 1,829,728.80, 2,746,148.40 and 1,475,143.20 is: 2,213,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,728.80 : 2,746,148.40 = 1,475,143.20 : x
  2. Step 2: Convert to fraction form
    1,829,728.80/2,746,148.40 = 1,475,143.20/x
  3. Step 3: Cross multiply
    1,829,728.80x = 2,746,148.40 × 1,475,143.20
  4. Step 4: Simplify right side
    1,829,728.80x = 4,050,962,138,450.88
  5. Step 5: Solve for x
    x = 4,050,962,138,450.88/1,829,728.80
  6. Step 6: Final answer
    x = 2,213,968.62

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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.