Home / 1,915,322.76-2,643,077.39-1,044,139.41

Finding the Fourth Proportional to 1,915,322.76, 2,643,077.39 and 1,044,139.41

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Solution

The fourth proportional to 1,915,322.76, 2,643,077.39 and 1,044,139.41 is: 1,440,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,322.76 : 2,643,077.39 = 1,044,139.41 : x
  2. Step 2: Convert to fraction form
    1,915,322.76/2,643,077.39 = 1,044,139.41/x
  3. Step 3: Cross multiply
    1,915,322.76x = 2,643,077.39 × 1,044,139.41
  4. Step 4: Simplify right side
    1,915,322.76x = 2,759,741,261,358.24
  5. Step 5: Solve for x
    x = 2,759,741,261,358.24/1,915,322.76
  6. Step 6: Final answer
    x = 1,440,875.30

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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.