Home / 2,130,030.20-3,193,878.90-866,430.20

Finding the Fourth Proportional to 2,130,030.20, 3,193,878.90 and 866,430.20

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Solution

The fourth proportional to 2,130,030.20, 3,193,878.90 and 866,430.20 is: 1,299,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,030.20 : 3,193,878.90 = 866,430.20 : x
  2. Step 2: Convert to fraction form
    2,130,030.20/3,193,878.90 = 866,430.20/x
  3. Step 3: Cross multiply
    2,130,030.20x = 3,193,878.90 × 866,430.20
  4. Step 4: Simplify right side
    2,130,030.20x = 2,767,273,134,102.78
  5. Step 5: Solve for x
    x = 2,767,273,134,102.78/2,130,030.20
  6. Step 6: Final answer
    x = 1,299,170.84

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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.