Home / 1,912,517.45-2,639,332.13-1,053,108.46

Finding the Fourth Proportional to 1,912,517.45, 2,639,332.13 and 1,053,108.46

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Solution

The fourth proportional to 1,912,517.45, 2,639,332.13 and 1,053,108.46 is: 1,453,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,517.45 : 2,639,332.13 = 1,053,108.46 : x
  2. Step 2: Convert to fraction form
    1,912,517.45/2,639,332.13 = 1,053,108.46/x
  3. Step 3: Cross multiply
    1,912,517.45x = 2,639,332.13 × 1,053,108.46
  4. Step 4: Simplify right side
    1,912,517.45x = 2,779,502,994,852.82
  5. Step 5: Solve for x
    x = 2,779,502,994,852.82/1,912,517.45
  6. Step 6: Final answer
    x = 1,453,321.64

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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.