Home / 4,990,301.10-7,485,723.90-1,578,332.88

Finding the Fourth Proportional to 4,990,301.10, 7,485,723.90 and 1,578,332.88

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Solution

The fourth proportional to 4,990,301.10, 7,485,723.90 and 1,578,332.88 is: 2,367,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,301.10 : 7,485,723.90 = 1,578,332.88 : x
  2. Step 2: Convert to fraction form
    4,990,301.10/7,485,723.90 = 1,578,332.88/x
  3. Step 3: Cross multiply
    4,990,301.10x = 7,485,723.90 × 1,578,332.88
  4. Step 4: Simplify right side
    4,990,301.10x = 11,814,964,161,971.83
  5. Step 5: Solve for x
    x = 11,814,964,161,971.83/4,990,301.10
  6. Step 6: Final answer
    x = 2,367,585.43

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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.