Home / 2,742,688.24-4,116,685.92-1,323,743.20

Finding the Fourth Proportional to 2,742,688.24, 4,116,685.92 and 1,323,743.20

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Solution

The fourth proportional to 2,742,688.24, 4,116,685.92 and 1,323,743.20 is: 1,986,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,688.24 : 4,116,685.92 = 1,323,743.20 : x
  2. Step 2: Convert to fraction form
    2,742,688.24/4,116,685.92 = 1,323,743.20/x
  3. Step 3: Cross multiply
    2,742,688.24x = 4,116,685.92 × 1,323,743.20
  4. Step 4: Simplify right side
    2,742,688.24x = 5,449,434,993,135.74
  5. Step 5: Solve for x
    x = 5,449,434,993,135.74/2,742,688.24
  6. Step 6: Final answer
    x = 1,986,895.53

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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.