Home / 1,974,039.12-2,724,043.40-1,147,039.35

Finding the Fourth Proportional to 1,974,039.12, 2,724,043.40 and 1,147,039.35

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Solution

The fourth proportional to 1,974,039.12, 2,724,043.40 and 1,147,039.35 is: 1,582,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,039.12 : 2,724,043.40 = 1,147,039.35 : x
  2. Step 2: Convert to fraction form
    1,974,039.12/2,724,043.40 = 1,147,039.35/x
  3. Step 3: Cross multiply
    1,974,039.12x = 2,724,043.40 × 1,147,039.35
  4. Step 4: Simplify right side
    1,974,039.12x = 3,124,584,959,258.83
  5. Step 5: Solve for x
    x = 3,124,584,959,258.83/1,974,039.12
  6. Step 6: Final answer
    x = 1,582,838.42

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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.