Home / 1,541,969.16-2,128,140.09-888,470

Finding the Fourth Proportional to 1,541,969.16, 2,128,140.09 and 888,470

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Solution

The fourth proportional to 1,541,969.16, 2,128,140.09 and 888,470 is: 1,226,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,969.16 : 2,128,140.09 = 888,470 : x
  2. Step 2: Convert to fraction form
    1,541,969.16/2,128,140.09 = 888,470/x
  3. Step 3: Cross multiply
    1,541,969.16x = 2,128,140.09 × 888,470
  4. Step 4: Simplify right side
    1,541,969.16x = 1,890,788,625,762.30
  5. Step 5: Solve for x
    x = 1,890,788,625,762.30/1,541,969.16
  6. Step 6: Final answer
    x = 1,226,216.89

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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.