Home / 2,666,820.40-4,000,230.60-1,958,232.40

Finding the Fourth Proportional to 2,666,820.40, 4,000,230.60 and 1,958,232.40

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Solution

The fourth proportional to 2,666,820.40, 4,000,230.60 and 1,958,232.40 is: 2,937,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,820.40 : 4,000,230.60 = 1,958,232.40 : x
  2. Step 2: Convert to fraction form
    2,666,820.40/4,000,230.60 = 1,958,232.40/x
  3. Step 3: Cross multiply
    2,666,820.40x = 4,000,230.60 × 1,958,232.40
  4. Step 4: Simplify right side
    2,666,820.40x = 7,833,381,168,391.44
  5. Step 5: Solve for x
    x = 7,833,381,168,391.44/2,666,820.40
  6. Step 6: Final answer
    x = 2,937,348.60

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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.