Home / 5,216,187.04-7,823,441.28-1,428,784.48

Finding the Fourth Proportional to 5,216,187.04, 7,823,441.28 and 1,428,784.48

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Solution

The fourth proportional to 5,216,187.04, 7,823,441.28 and 1,428,784.48 is: 2,142,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,187.04 : 7,823,441.28 = 1,428,784.48 : x
  2. Step 2: Convert to fraction form
    5,216,187.04/7,823,441.28 = 1,428,784.48/x
  3. Step 3: Cross multiply
    5,216,187.04x = 7,823,441.28 × 1,428,784.48
  4. Step 4: Simplify right side
    5,216,187.04x = 11,178,011,481,055.33
  5. Step 5: Solve for x
    x = 11,178,011,481,055.33/5,216,187.04
  6. Step 6: Final answer
    x = 2,142,946.83

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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.