Home / 2,132,813.64-2,943,285.30-1,227,396.36

Finding the Fourth Proportional to 2,132,813.64, 2,943,285.30 and 1,227,396.36

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Solution

The fourth proportional to 2,132,813.64, 2,943,285.30 and 1,227,396.36 is: 1,693,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,813.64 : 2,943,285.30 = 1,227,396.36 : x
  2. Step 2: Convert to fraction form
    2,132,813.64/2,943,285.30 = 1,227,396.36/x
  3. Step 3: Cross multiply
    2,132,813.64x = 2,943,285.30 × 1,227,396.36
  4. Step 4: Simplify right side
    2,132,813.64x = 3,612,577,663,661.51
  5. Step 5: Solve for x
    x = 3,612,577,663,661.51/2,132,813.64
  6. Step 6: Final answer
    x = 1,693,808.40

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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.