Home / 2,578,016.16-3,557,541.60-1,432,166.40

Finding the Fourth Proportional to 2,578,016.16, 3,557,541.60 and 1,432,166.40

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Solution

The fourth proportional to 2,578,016.16, 3,557,541.60 and 1,432,166.40 is: 1,976,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,016.16 : 3,557,541.60 = 1,432,166.40 : x
  2. Step 2: Convert to fraction form
    2,578,016.16/3,557,541.60 = 1,432,166.40/x
  3. Step 3: Cross multiply
    2,578,016.16x = 3,557,541.60 × 1,432,166.40
  4. Step 4: Simplify right side
    2,578,016.16x = 5,094,991,546,122.24
  5. Step 5: Solve for x
    x = 5,094,991,546,122.24/2,578,016.16
  6. Step 6: Final answer
    x = 1,976,322.58

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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.