Home / 1,912,632.34-2,639,432.64-1,053,190.55

Finding the Fourth Proportional to 1,912,632.34, 2,639,432.64 and 1,053,190.55

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Solution

The fourth proportional to 1,912,632.34, 2,639,432.64 and 1,053,190.55 is: 1,453,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,632.34 : 2,639,432.64 = 1,053,190.55 : x
  2. Step 2: Convert to fraction form
    1,912,632.34/2,639,432.64 = 1,053,190.55/x
  3. Step 3: Cross multiply
    1,912,632.34x = 2,639,432.64 × 1,053,190.55
  4. Step 4: Simplify right side
    1,912,632.34x = 2,779,825,513,809.55
  5. Step 5: Solve for x
    x = 2,779,825,513,809.55/1,912,632.34
  6. Step 6: Final answer
    x = 1,453,402.96

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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.