Home / 3,992,225.90-5,988,386.38-1,113,417.56

Finding the Fourth Proportional to 3,992,225.90, 5,988,386.38 and 1,113,417.56

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Solution

The fourth proportional to 3,992,225.90, 5,988,386.38 and 1,113,417.56 is: 1,670,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,225.90 : 5,988,386.38 = 1,113,417.56 : x
  2. Step 2: Convert to fraction form
    3,992,225.90/5,988,386.38 = 1,113,417.56/x
  3. Step 3: Cross multiply
    3,992,225.90x = 5,988,386.38 × 1,113,417.56
  4. Step 4: Simplify right side
    3,992,225.90x = 6,667,574,551,556.83
  5. Step 5: Solve for x
    x = 6,667,574,551,556.83/3,992,225.90
  6. Step 6: Final answer
    x = 1,670,139.60

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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.