Home / 2,986,666.56-4,480,016.04-742,804.56

Finding the Fourth Proportional to 2,986,666.56, 4,480,016.04 and 742,804.56

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Solution

The fourth proportional to 2,986,666.56, 4,480,016.04 and 742,804.56 is: 1,114,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,666.56 : 4,480,016.04 = 742,804.56 : x
  2. Step 2: Convert to fraction form
    2,986,666.56/4,480,016.04 = 742,804.56/x
  3. Step 3: Cross multiply
    2,986,666.56x = 4,480,016.04 × 742,804.56
  4. Step 4: Simplify right side
    2,986,666.56x = 3,327,776,343,385.14
  5. Step 5: Solve for x
    x = 3,327,776,343,385.14/2,986,666.56
  6. Step 6: Final answer
    x = 1,114,210.87

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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.