Home / 1,356,271.12-1,867,386.60-1,151,883.28

Finding the Fourth Proportional to 1,356,271.12, 1,867,386.60 and 1,151,883.28

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Solution

The fourth proportional to 1,356,271.12, 1,867,386.60 and 1,151,883.28 is: 1,585,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,271.12 : 1,867,386.60 = 1,151,883.28 : x
  2. Step 2: Convert to fraction form
    1,356,271.12/1,867,386.60 = 1,151,883.28/x
  3. Step 3: Cross multiply
    1,356,271.12x = 1,867,386.60 × 1,151,883.28
  4. Step 4: Simplify right side
    1,356,271.12x = 2,151,011,401,836.05
  5. Step 5: Solve for x
    x = 2,151,011,401,836.05/1,356,271.12
  6. Step 6: Final answer
    x = 1,585,974.49

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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.