Home / 2,958,915-4,083,332.22-1,600,817.16

Finding the Fourth Proportional to 2,958,915, 4,083,332.22 and 1,600,817.16

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Solution

The fourth proportional to 2,958,915, 4,083,332.22 and 1,600,817.16 is: 2,209,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,915 : 4,083,332.22 = 1,600,817.16 : x
  2. Step 2: Convert to fraction form
    2,958,915/4,083,332.22 = 1,600,817.16/x
  3. Step 3: Cross multiply
    2,958,915x = 4,083,332.22 × 1,600,817.16
  4. Step 4: Simplify right side
    2,958,915x = 6,536,668,287,756.90
  5. Step 5: Solve for x
    x = 6,536,668,287,756.90/2,958,915
  6. Step 6: Final answer
    x = 2,209,143.65

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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.