Home / 1,912,633.10-2,639,433.68-1,053,191.31

Finding the Fourth Proportional to 1,912,633.10, 2,639,433.68 and 1,053,191.31

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Solution

The fourth proportional to 1,912,633.10, 2,639,433.68 and 1,053,191.31 is: 1,453,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,633.10 : 2,639,433.68 = 1,053,191.31 : x
  2. Step 2: Convert to fraction form
    1,912,633.10/2,639,433.68 = 1,053,191.31/x
  3. Step 3: Cross multiply
    1,912,633.10x = 2,639,433.68 × 1,053,191.31
  4. Step 4: Simplify right side
    1,912,633.10x = 2,779,828,615,097.32
  5. Step 5: Solve for x
    x = 2,779,828,615,097.32/1,912,633.10
  6. Step 6: Final answer
    x = 1,453,404.01

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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.