Home / 2,130,020.70-3,193,864.65-866,420.70

Finding the Fourth Proportional to 2,130,020.70, 3,193,864.65 and 866,420.70

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Solution

The fourth proportional to 2,130,020.70, 3,193,864.65 and 866,420.70 is: 1,299,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,020.70 : 3,193,864.65 = 866,420.70 : x
  2. Step 2: Convert to fraction form
    2,130,020.70/3,193,864.65 = 866,420.70/x
  3. Step 3: Cross multiply
    2,130,020.70x = 3,193,864.65 × 866,420.70
  4. Step 4: Simplify right side
    2,130,020.70x = 2,767,230,445,758.26
  5. Step 5: Solve for x
    x = 2,767,230,445,758.26/2,130,020.70
  6. Step 6: Final answer
    x = 1,299,156.60

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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.