Home / 3,526,719.30-4,866,925.95-1,978,324.21

Finding the Fourth Proportional to 3,526,719.30, 4,866,925.95 and 1,978,324.21

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Solution

The fourth proportional to 3,526,719.30, 4,866,925.95 and 1,978,324.21 is: 2,730,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,719.30 : 4,866,925.95 = 1,978,324.21 : x
  2. Step 2: Convert to fraction form
    3,526,719.30/4,866,925.95 = 1,978,324.21/x
  3. Step 3: Cross multiply
    3,526,719.30x = 4,866,925.95 × 1,978,324.21
  4. Step 4: Simplify right side
    3,526,719.30x = 9,628,357,435,162.25
  5. Step 5: Solve for x
    x = 9,628,357,435,162.25/3,526,719.30
  6. Step 6: Final answer
    x = 2,730,117.32

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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.