Home / 3,455,867.90-4,769,212.12-1,886,085.61

Finding the Fourth Proportional to 3,455,867.90, 4,769,212.12 and 1,886,085.61

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Solution

The fourth proportional to 3,455,867.90, 4,769,212.12 and 1,886,085.61 is: 2,602,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,867.90 : 4,769,212.12 = 1,886,085.61 : x
  2. Step 2: Convert to fraction form
    3,455,867.90/4,769,212.12 = 1,886,085.61/x
  3. Step 3: Cross multiply
    3,455,867.90x = 4,769,212.12 × 1,886,085.61
  4. Step 4: Simplify right side
    3,455,867.90x = 8,995,142,333,931.35
  5. Step 5: Solve for x
    x = 8,995,142,333,931.35/3,455,867.90
  6. Step 6: Final answer
    x = 2,602,860.58

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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.