Home / 2,639,749.48-3,642,854.22-1,432,525.48

Finding the Fourth Proportional to 2,639,749.48, 3,642,854.22 and 1,432,525.48

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Solution

The fourth proportional to 2,639,749.48, 3,642,854.22 and 1,432,525.48 is: 1,976,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,749.48 : 3,642,854.22 = 1,432,525.48 : x
  2. Step 2: Convert to fraction form
    2,639,749.48/3,642,854.22 = 1,432,525.48/x
  3. Step 3: Cross multiply
    2,639,749.48x = 3,642,854.22 × 1,432,525.48
  4. Step 4: Simplify right side
    2,639,749.48x = 5,218,481,490,075.53
  5. Step 5: Solve for x
    x = 5,218,481,490,075.53/2,639,749.48
  6. Step 6: Final answer
    x = 1,976,885.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.