Home / 1,999,538.10-2,999,744.55-651,471.30

Finding the Fourth Proportional to 1,999,538.10, 2,999,744.55 and 651,471.30

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Solution

The fourth proportional to 1,999,538.10, 2,999,744.55 and 651,471.30 is: 977,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,538.10 : 2,999,744.55 = 651,471.30 : x
  2. Step 2: Convert to fraction form
    1,999,538.10/2,999,744.55 = 651,471.30/x
  3. Step 3: Cross multiply
    1,999,538.10x = 2,999,744.55 × 651,471.30
  4. Step 4: Simplify right side
    1,999,538.10x = 1,954,247,481,656.42
  5. Step 5: Solve for x
    x = 1,954,247,481,656.42/1,999,538.10
  6. Step 6: Final answer
    x = 977,349.46

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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.