Home / 1,915,281.20-2,643,096.04-1,055,822.60

Finding the Fourth Proportional to 1,915,281.20, 2,643,096.04 and 1,055,822.60

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Solution

The fourth proportional to 1,915,281.20, 2,643,096.04 and 1,055,822.60 is: 1,457,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,281.20 : 2,643,096.04 = 1,055,822.60 : x
  2. Step 2: Convert to fraction form
    1,915,281.20/2,643,096.04 = 1,055,822.60/x
  3. Step 3: Cross multiply
    1,915,281.20x = 2,643,096.04 × 1,055,822.60
  4. Step 4: Simplify right side
    1,915,281.20x = 2,790,640,533,002.50
  5. Step 5: Solve for x
    x = 2,790,640,533,002.50/1,915,281.20
  6. Step 6: Final answer
    x = 1,457,039.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.