Home / 5,382,916.96-8,074,842-1,972,130.08

Finding the Fourth Proportional to 5,382,916.96, 8,074,842 and 1,972,130.08

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Solution

The fourth proportional to 5,382,916.96, 8,074,842 and 1,972,130.08 is: 2,958,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,916.96 : 8,074,842 = 1,972,130.08 : x
  2. Step 2: Convert to fraction form
    5,382,916.96/8,074,842 = 1,972,130.08/x
  3. Step 3: Cross multiply
    5,382,916.96x = 8,074,842 × 1,972,130.08
  4. Step 4: Simplify right side
    5,382,916.96x = 15,924,638,799,447.36
  5. Step 5: Solve for x
    x = 15,924,638,799,447.36/5,382,916.96
  6. Step 6: Final answer
    x = 2,958,366.05

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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.