Home / 3,192,953.80-4,789,430.70-1,298,720.20

Finding the Fourth Proportional to 3,192,953.80, 4,789,430.70 and 1,298,720.20

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Solution

The fourth proportional to 3,192,953.80, 4,789,430.70 and 1,298,720.20 is: 1,948,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,953.80 : 4,789,430.70 = 1,298,720.20 : x
  2. Step 2: Convert to fraction form
    3,192,953.80/4,789,430.70 = 1,298,720.20/x
  3. Step 3: Cross multiply
    3,192,953.80x = 4,789,430.70 × 1,298,720.20
  4. Step 4: Simplify right side
    3,192,953.80x = 6,220,130,396,590.14
  5. Step 5: Solve for x
    x = 6,220,130,396,590.14/3,192,953.80
  6. Step 6: Final answer
    x = 1,948,080.30

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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.