Home / 2,986,657.40-4,480,002.30-742,795.40

Finding the Fourth Proportional to 2,986,657.40, 4,480,002.30 and 742,795.40

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Solution

The fourth proportional to 2,986,657.40, 4,480,002.30 and 742,795.40 is: 1,114,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,657.40 : 4,480,002.30 = 742,795.40 : x
  2. Step 2: Convert to fraction form
    2,986,657.40/4,480,002.30 = 742,795.40/x
  3. Step 3: Cross multiply
    2,986,657.40x = 4,480,002.30 × 742,795.40
  4. Step 4: Simplify right side
    2,986,657.40x = 3,327,725,100,429.42
  5. Step 5: Solve for x
    x = 3,327,725,100,429.42/2,986,657.40
  6. Step 6: Final answer
    x = 1,114,197.13

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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.