Home / 3,947,721.60-5,907,585.60-2,688,009.60

Finding the Fourth Proportional to 3,947,721.60, 5,907,585.60 and 2,688,009.60

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Solution

The fourth proportional to 3,947,721.60, 5,907,585.60 and 2,688,009.60 is: 4,022,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,721.60 : 5,907,585.60 = 2,688,009.60 : x
  2. Step 2: Convert to fraction form
    3,947,721.60/5,907,585.60 = 2,688,009.60/x
  3. Step 3: Cross multiply
    3,947,721.60x = 5,907,585.60 × 2,688,009.60
  4. Step 4: Simplify right side
    3,947,721.60x = 15,879,646,805,621.76
  5. Step 5: Solve for x
    x = 15,879,646,805,621.76/3,947,721.60
  6. Step 6: Final answer
    x = 4,022,483.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.