Home / 5,418,041.20-8,128,260.60-1,823,690.50

Finding the Fourth Proportional to 5,418,041.20, 8,128,260.60 and 1,823,690.50

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Solution

The fourth proportional to 5,418,041.20, 8,128,260.60 and 1,823,690.50 is: 2,735,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,041.20 : 8,128,260.60 = 1,823,690.50 : x
  2. Step 2: Convert to fraction form
    5,418,041.20/8,128,260.60 = 1,823,690.50/x
  3. Step 3: Cross multiply
    5,418,041.20x = 8,128,260.60 × 1,823,690.50
  4. Step 4: Simplify right side
    5,418,041.20x = 14,823,431,637,744.30
  5. Step 5: Solve for x
    x = 14,823,431,637,744.30/5,418,041.20
  6. Step 6: Final answer
    x = 2,735,939.26

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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.