Home / 1,924,763.40-2,887,145.10-1,913,704.20

Finding the Fourth Proportional to 1,924,763.40, 2,887,145.10 and 1,913,704.20

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Solution

The fourth proportional to 1,924,763.40, 2,887,145.10 and 1,913,704.20 is: 2,870,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,763.40 : 2,887,145.10 = 1,913,704.20 : x
  2. Step 2: Convert to fraction form
    1,924,763.40/2,887,145.10 = 1,913,704.20/x
  3. Step 3: Cross multiply
    1,924,763.40x = 2,887,145.10 × 1,913,704.20
  4. Step 4: Simplify right side
    1,924,763.40x = 5,525,141,703,879.42
  5. Step 5: Solve for x
    x = 5,525,141,703,879.42/1,924,763.40
  6. Step 6: Final answer
    x = 2,870,556.30

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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.