Home / 2,131,384.19-2,941,352.49-1,164,574.46

Finding the Fourth Proportional to 2,131,384.19, 2,941,352.49 and 1,164,574.46

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Solution

The fourth proportional to 2,131,384.19, 2,941,352.49 and 1,164,574.46 is: 1,607,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,384.19 : 2,941,352.49 = 1,164,574.46 : x
  2. Step 2: Convert to fraction form
    2,131,384.19/2,941,352.49 = 1,164,574.46/x
  3. Step 3: Cross multiply
    2,131,384.19x = 2,941,352.49 × 1,164,574.46
  4. Step 4: Simplify right side
    2,131,384.19x = 3,425,423,999,431.94
  5. Step 5: Solve for x
    x = 3,425,423,999,431.94/2,131,384.19
  6. Step 6: Final answer
    x = 1,607,135.88

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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.