Home / 1,692,152.20-2,538,228.30-1,617,502.60

Finding the Fourth Proportional to 1,692,152.20, 2,538,228.30 and 1,617,502.60

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Solution

The fourth proportional to 1,692,152.20, 2,538,228.30 and 1,617,502.60 is: 2,426,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,152.20 : 2,538,228.30 = 1,617,502.60 : x
  2. Step 2: Convert to fraction form
    1,692,152.20/2,538,228.30 = 1,617,502.60/x
  3. Step 3: Cross multiply
    1,692,152.20x = 2,538,228.30 × 1,617,502.60
  4. Step 4: Simplify right side
    1,692,152.20x = 4,105,590,874,643.58
  5. Step 5: Solve for x
    x = 4,105,590,874,643.58/1,692,152.20
  6. Step 6: Final answer
    x = 2,426,253.90

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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.