Home / 1,912,665.11-2,639,477.88-1,053,223.29

Finding the Fourth Proportional to 1,912,665.11, 2,639,477.88 and 1,053,223.29

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Solution

The fourth proportional to 1,912,665.11, 2,639,477.88 and 1,053,223.29 is: 1,453,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,665.11 : 2,639,477.88 = 1,053,223.29 : x
  2. Step 2: Convert to fraction form
    1,912,665.11/2,639,477.88 = 1,053,223.29/x
  3. Step 3: Cross multiply
    1,912,665.11x = 2,639,477.88 × 1,053,223.29
  4. Step 4: Simplify right side
    1,912,665.11x = 2,779,959,576,655.83
  5. Step 5: Solve for x
    x = 2,779,959,576,655.83/1,912,665.11
  6. Step 6: Final answer
    x = 1,453,448.16

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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.