Home / 1,912,494.69-2,639,260.20-1,053,085.70

Finding the Fourth Proportional to 1,912,494.69, 2,639,260.20 and 1,053,085.70

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Solution

The fourth proportional to 1,912,494.69, 2,639,260.20 and 1,053,085.70 is: 1,453,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,494.69 : 2,639,260.20 = 1,053,085.70 : x
  2. Step 2: Convert to fraction form
    1,912,494.69/2,639,260.20 = 1,053,085.70/x
  3. Step 3: Cross multiply
    1,912,494.69x = 2,639,260.20 × 1,053,085.70
  4. Step 4: Simplify right side
    1,912,494.69x = 2,779,367,162,002.84
  5. Step 5: Solve for x
    x = 2,779,367,162,002.84/1,912,494.69
  6. Step 6: Final answer
    x = 1,453,267.91

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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.