Home / 2,130,475.80-3,192,992.10-866,875.80

Finding the Fourth Proportional to 2,130,475.80, 3,192,992.10 and 866,875.80

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Solution

The fourth proportional to 2,130,475.80, 3,192,992.10 and 866,875.80 is: 1,299,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,475.80 : 3,192,992.10 = 866,875.80 : x
  2. Step 2: Convert to fraction form
    2,130,475.80/3,192,992.10 = 866,875.80/x
  3. Step 3: Cross multiply
    2,130,475.80x = 3,192,992.10 × 866,875.80
  4. Step 4: Simplify right side
    2,130,475.80x = 2,767,927,581,081.18
  5. Step 5: Solve for x
    x = 2,767,927,581,081.18/2,130,475.80
  6. Step 6: Final answer
    x = 1,299,206.30

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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.