Home / 2,769,797.40-4,155,020.10-876,730.20

Finding the Fourth Proportional to 2,769,797.40, 4,155,020.10 and 876,730.20

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Solution

The fourth proportional to 2,769,797.40, 4,155,020.10 and 876,730.20 is: 1,315,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,797.40 : 4,155,020.10 = 876,730.20 : x
  2. Step 2: Convert to fraction form
    2,769,797.40/4,155,020.10 = 876,730.20/x
  3. Step 3: Cross multiply
    2,769,797.40x = 4,155,020.10 × 876,730.20
  4. Step 4: Simplify right side
    2,769,797.40x = 3,642,831,603,277.02
  5. Step 5: Solve for x
    x = 3,642,831,603,277.02/2,769,797.40
  6. Step 6: Final answer
    x = 1,315,197.86

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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.