Home / 2,818,430.34-4,228,172.19-1,281,538.64

Finding the Fourth Proportional to 2,818,430.34, 4,228,172.19 and 1,281,538.64

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Solution

The fourth proportional to 2,818,430.34, 4,228,172.19 and 1,281,538.64 is: 1,922,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,430.34 : 4,228,172.19 = 1,281,538.64 : x
  2. Step 2: Convert to fraction form
    2,818,430.34/4,228,172.19 = 1,281,538.64/x
  3. Step 3: Cross multiply
    2,818,430.34x = 4,228,172.19 × 1,281,538.64
  4. Step 4: Simplify right side
    2,818,430.34x = 5,418,566,016,917.56
  5. Step 5: Solve for x
    x = 5,418,566,016,917.56/2,818,430.34
  6. Step 6: Final answer
    x = 1,922,547.43

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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.