Home / 2,986,656.90-4,480,001.55-742,794.90

Finding the Fourth Proportional to 2,986,656.90, 4,480,001.55 and 742,794.90

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Solution

The fourth proportional to 2,986,656.90, 4,480,001.55 and 742,794.90 is: 1,114,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,656.90 : 4,480,001.55 = 742,794.90 : x
  2. Step 2: Convert to fraction form
    2,986,656.90/4,480,001.55 = 742,794.90/x
  3. Step 3: Cross multiply
    2,986,656.90x = 4,480,001.55 × 742,794.90
  4. Step 4: Simplify right side
    2,986,656.90x = 3,327,722,303,332.10
  5. Step 5: Solve for x
    x = 3,327,722,303,332.10/2,986,656.90
  6. Step 6: Final answer
    x = 1,114,196.38

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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.