Home / 2,880,053.60-4,320,080.40-986,626.40

Finding the Fourth Proportional to 2,880,053.60, 4,320,080.40 and 986,626.40

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Solution

The fourth proportional to 2,880,053.60, 4,320,080.40 and 986,626.40 is: 1,479,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,053.60 : 4,320,080.40 = 986,626.40 : x
  2. Step 2: Convert to fraction form
    2,880,053.60/4,320,080.40 = 986,626.40/x
  3. Step 3: Cross multiply
    2,880,053.60x = 4,320,080.40 × 986,626.40
  4. Step 4: Simplify right side
    2,880,053.60x = 4,262,305,372,762.56
  5. Step 5: Solve for x
    x = 4,262,305,372,762.56/2,880,053.60
  6. Step 6: Final answer
    x = 1,479,939.60

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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.