Home / 2,756,052.40-4,124,747.40-2,420,129.20

Finding the Fourth Proportional to 2,756,052.40, 4,124,747.40 and 2,420,129.20

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Solution

The fourth proportional to 2,756,052.40, 4,124,747.40 and 2,420,129.20 is: 3,621,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,052.40 : 4,124,747.40 = 2,420,129.20 : x
  2. Step 2: Convert to fraction form
    2,756,052.40/4,124,747.40 = 2,420,129.20/x
  3. Step 3: Cross multiply
    2,756,052.40x = 4,124,747.40 × 2,420,129.20
  4. Step 4: Simplify right side
    2,756,052.40x = 9,982,421,625,364.08
  5. Step 5: Solve for x
    x = 9,982,421,625,364.08/2,756,052.40
  6. Step 6: Final answer
    x = 3,621,999.94

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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.