Home / 1,868,339.79-2,578,499.33-1,143,666.41

Finding the Fourth Proportional to 1,868,339.79, 2,578,499.33 and 1,143,666.41

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Solution

The fourth proportional to 1,868,339.79, 2,578,499.33 and 1,143,666.41 is: 1,578,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,339.79 : 2,578,499.33 = 1,143,666.41 : x
  2. Step 2: Convert to fraction form
    1,868,339.79/2,578,499.33 = 1,143,666.41/x
  3. Step 3: Cross multiply
    1,868,339.79x = 2,578,499.33 × 1,143,666.41
  4. Step 4: Simplify right side
    1,868,339.79x = 2,948,943,053,317.68
  5. Step 5: Solve for x
    x = 2,948,943,053,317.68/1,868,339.79
  6. Step 6: Final answer
    x = 1,578,376.20

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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.