Home / 2,880,308.72-4,321,075.44-986,541.68

Finding the Fourth Proportional to 2,880,308.72, 4,321,075.44 and 986,541.68

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Solution

The fourth proportional to 2,880,308.72, 4,321,075.44 and 986,541.68 is: 1,480,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,308.72 : 4,321,075.44 = 986,541.68 : x
  2. Step 2: Convert to fraction form
    2,880,308.72/4,321,075.44 = 986,541.68/x
  3. Step 3: Cross multiply
    2,880,308.72x = 4,321,075.44 × 986,541.68
  4. Step 4: Simplify right side
    2,880,308.72x = 4,262,921,023,984.34
  5. Step 5: Solve for x
    x = 4,262,921,023,984.34/2,880,308.72
  6. Step 6: Final answer
    x = 1,480,022.26

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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.