Home / 2,802,518.60-3,867,487.52-1,578,838.78

Finding the Fourth Proportional to 2,802,518.60, 3,867,487.52 and 1,578,838.78

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Solution

The fourth proportional to 2,802,518.60, 3,867,487.52 and 1,578,838.78 is: 2,178,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,518.60 : 3,867,487.52 = 1,578,838.78 : x
  2. Step 2: Convert to fraction form
    2,802,518.60/3,867,487.52 = 1,578,838.78/x
  3. Step 3: Cross multiply
    2,802,518.60x = 3,867,487.52 × 1,578,838.78
  4. Step 4: Simplify right side
    2,802,518.60x = 6,106,139,260,179.11
  5. Step 5: Solve for x
    x = 6,106,139,260,179.11/2,802,518.60
  6. Step 6: Final answer
    x = 2,178,804.19

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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.