Home / 3,907,807.68-5,390,081.28-2,748,712.32

Finding the Fourth Proportional to 3,907,807.68, 5,390,081.28 and 2,748,712.32

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Solution

The fourth proportional to 3,907,807.68, 5,390,081.28 and 2,748,712.32 is: 3,791,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,807.68 : 5,390,081.28 = 2,748,712.32 : x
  2. Step 2: Convert to fraction form
    3,907,807.68/5,390,081.28 = 2,748,712.32/x
  3. Step 3: Cross multiply
    3,907,807.68x = 5,390,081.28 × 2,748,712.32
  4. Step 4: Simplify right side
    3,907,807.68x = 14,815,782,820,137.37
  5. Step 5: Solve for x
    x = 14,815,782,820,137.37/3,907,807.68
  6. Step 6: Final answer
    x = 3,791,328.55

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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.