Home / 2,262,032.16-3,121,525.20-1,243,429.60

Finding the Fourth Proportional to 2,262,032.16, 3,121,525.20 and 1,243,429.60

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Solution

The fourth proportional to 2,262,032.16, 3,121,525.20 and 1,243,429.60 is: 1,715,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,032.16 : 3,121,525.20 = 1,243,429.60 : x
  2. Step 2: Convert to fraction form
    2,262,032.16/3,121,525.20 = 1,243,429.60/x
  3. Step 3: Cross multiply
    2,262,032.16x = 3,121,525.20 × 1,243,429.60
  4. Step 4: Simplify right side
    2,262,032.16x = 3,881,396,830,825.92
  5. Step 5: Solve for x
    x = 3,881,396,830,825.92/2,262,032.16
  6. Step 6: Final answer
    x = 1,715,889.32

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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.