Home / 3,559,439.04-4,912,000.64-1,927,808.80

Finding the Fourth Proportional to 3,559,439.04, 4,912,000.64 and 1,927,808.80

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Solution

The fourth proportional to 3,559,439.04, 4,912,000.64 and 1,927,808.80 is: 2,660,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,439.04 : 4,912,000.64 = 1,927,808.80 : x
  2. Step 2: Convert to fraction form
    3,559,439.04/4,912,000.64 = 1,927,808.80/x
  3. Step 3: Cross multiply
    3,559,439.04x = 4,912,000.64 × 1,927,808.80
  4. Step 4: Simplify right side
    3,559,439.04x = 9,469,398,059,397.63
  5. Step 5: Solve for x
    x = 9,469,398,059,397.63/3,559,439.04
  6. Step 6: Final answer
    x = 2,660,362.48

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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.