Home / 1,768,154.91-2,652,250.89-1,415,411.25

Finding the Fourth Proportional to 1,768,154.91, 2,652,250.89 and 1,415,411.25

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Solution

The fourth proportional to 1,768,154.91, 2,652,250.89 and 1,415,411.25 is: 2,123,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,154.91 : 2,652,250.89 = 1,415,411.25 : x
  2. Step 2: Convert to fraction form
    1,768,154.91/2,652,250.89 = 1,415,411.25/x
  3. Step 3: Cross multiply
    1,768,154.91x = 2,652,250.89 × 1,415,411.25
  4. Step 4: Simplify right side
    1,768,154.91x = 3,754,025,747,528.51
  5. Step 5: Solve for x
    x = 3,754,025,747,528.51/1,768,154.91
  6. Step 6: Final answer
    x = 2,123,131.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.