Home / 2,887,529.70-4,330,453.59-865,692.90

Finding the Fourth Proportional to 2,887,529.70, 4,330,453.59 and 865,692.90

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Solution

The fourth proportional to 2,887,529.70, 4,330,453.59 and 865,692.90 is: 1,298,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,529.70 : 4,330,453.59 = 865,692.90 : x
  2. Step 2: Convert to fraction form
    2,887,529.70/4,330,453.59 = 865,692.90/x
  3. Step 3: Cross multiply
    2,887,529.70x = 4,330,453.59 × 865,692.90
  4. Step 4: Simplify right side
    2,887,529.70x = 3,748,842,926,642.51
  5. Step 5: Solve for x
    x = 3,748,842,926,642.51/2,887,529.70
  6. Step 6: Final answer
    x = 1,298,287.23

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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.