Home / 1,912,655.25-2,639,464.25-1,053,213.46

Finding the Fourth Proportional to 1,912,655.25, 2,639,464.25 and 1,053,213.46

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Solution

The fourth proportional to 1,912,655.25, 2,639,464.25 and 1,053,213.46 is: 1,453,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,655.25 : 2,639,464.25 = 1,053,213.46 : x
  2. Step 2: Convert to fraction form
    1,912,655.25/2,639,464.25 = 1,053,213.46/x
  3. Step 3: Cross multiply
    1,912,655.25x = 2,639,464.25 × 1,053,213.46
  4. Step 4: Simplify right side
    1,912,655.25x = 2,779,919,263,424.08
  5. Step 5: Solve for x
    x = 2,779,919,263,424.08/1,912,655.25
  6. Step 6: Final answer
    x = 1,453,434.57

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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.