Home / 2,880,636.48-4,321,479.60-987,569.28

Finding the Fourth Proportional to 2,880,636.48, 4,321,479.60 and 987,569.28

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Solution

The fourth proportional to 2,880,636.48, 4,321,479.60 and 987,569.28 is: 1,481,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,636.48 : 4,321,479.60 = 987,569.28 : x
  2. Step 2: Convert to fraction form
    2,880,636.48/4,321,479.60 = 987,569.28/x
  3. Step 3: Cross multiply
    2,880,636.48x = 4,321,479.60 × 987,569.28
  4. Step 4: Simplify right side
    2,880,636.48x = 4,267,760,497,106.69
  5. Step 5: Solve for x
    x = 4,267,760,497,106.69/2,880,636.48
  6. Step 6: Final answer
    x = 1,481,533.86

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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.