Home / 2,255,693.58-3,112,569.18-1,288,886.52

Finding the Fourth Proportional to 2,255,693.58, 3,112,569.18 and 1,288,886.52

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Solution

The fourth proportional to 2,255,693.58, 3,112,569.18 and 1,288,886.52 is: 1,778,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,693.58 : 3,112,569.18 = 1,288,886.52 : x
  2. Step 2: Convert to fraction form
    2,255,693.58/3,112,569.18 = 1,288,886.52/x
  3. Step 3: Cross multiply
    2,255,693.58x = 3,112,569.18 × 1,288,886.52
  4. Step 4: Simplify right side
    2,255,693.58x = 4,011,748,458,669.45
  5. Step 5: Solve for x
    x = 4,011,748,458,669.45/2,255,693.58
  6. Step 6: Final answer
    x = 1,778,498.86

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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.