Home / 2,847,255.21-3,929,212.40-1,558,095.66

Finding the Fourth Proportional to 2,847,255.21, 3,929,212.40 and 1,558,095.66

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Solution

The fourth proportional to 2,847,255.21, 3,929,212.40 and 1,558,095.66 is: 2,150,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,255.21 : 3,929,212.40 = 1,558,095.66 : x
  2. Step 2: Convert to fraction form
    2,847,255.21/3,929,212.40 = 1,558,095.66/x
  3. Step 3: Cross multiply
    2,847,255.21x = 3,929,212.40 × 1,558,095.66
  4. Step 4: Simplify right side
    2,847,255.21x = 6,122,088,779,867.71
  5. Step 5: Solve for x
    x = 6,122,088,779,867.71/2,847,255.21
  6. Step 6: Final answer
    x = 2,150,172.12

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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.