Home / 2,802,140.64-3,866,734.80-1,578,392.64

Finding the Fourth Proportional to 2,802,140.64, 3,866,734.80 and 1,578,392.64

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Solution

The fourth proportional to 2,802,140.64, 3,866,734.80 and 1,578,392.64 is: 2,178,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,140.64 : 3,866,734.80 = 1,578,392.64 : x
  2. Step 2: Convert to fraction form
    2,802,140.64/3,866,734.80 = 1,578,392.64/x
  3. Step 3: Cross multiply
    2,802,140.64x = 3,866,734.80 × 1,578,392.64
  4. Step 4: Simplify right side
    2,802,140.64x = 6,103,225,749,151.87
  5. Step 5: Solve for x
    x = 6,103,225,749,151.87/2,802,140.64
  6. Step 6: Final answer
    x = 2,178,058.33

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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.