Home / 5,426,301.20-8,140,618.20-1,640,166.80

Finding the Fourth Proportional to 5,426,301.20, 8,140,618.20 and 1,640,166.80

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Solution

The fourth proportional to 5,426,301.20, 8,140,618.20 and 1,640,166.80 is: 2,460,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,301.20 : 8,140,618.20 = 1,640,166.80 : x
  2. Step 2: Convert to fraction form
    5,426,301.20/8,140,618.20 = 1,640,166.80/x
  3. Step 3: Cross multiply
    5,426,301.20x = 8,140,618.20 × 1,640,166.80
  4. Step 4: Simplify right side
    5,426,301.20x = 13,351,971,703,115.76
  5. Step 5: Solve for x
    x = 13,351,971,703,115.76/5,426,301.20
  6. Step 6: Final answer
    x = 2,460,602.76

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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.