Home / 5,216,188.04-7,823,442.78-1,428,785.48

Finding the Fourth Proportional to 5,216,188.04, 7,823,442.78 and 1,428,785.48

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Solution

The fourth proportional to 5,216,188.04, 7,823,442.78 and 1,428,785.48 is: 2,142,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,188.04 : 7,823,442.78 = 1,428,785.48 : x
  2. Step 2: Convert to fraction form
    5,216,188.04/7,823,442.78 = 1,428,785.48/x
  3. Step 3: Cross multiply
    5,216,188.04x = 7,823,442.78 × 1,428,785.48
  4. Step 4: Simplify right side
    5,216,188.04x = 11,178,021,447,674.83
  5. Step 5: Solve for x
    x = 11,178,021,447,674.83/5,216,188.04
  6. Step 6: Final answer
    x = 2,142,948.33

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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.