Home / 1,672,213.32-2,307,684.80-947,211.59

Finding the Fourth Proportional to 1,672,213.32, 2,307,684.80 and 947,211.59

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Solution

The fourth proportional to 1,672,213.32, 2,307,684.80 and 947,211.59 is: 1,307,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,213.32 : 2,307,684.80 = 947,211.59 : x
  2. Step 2: Convert to fraction form
    1,672,213.32/2,307,684.80 = 947,211.59/x
  3. Step 3: Cross multiply
    1,672,213.32x = 2,307,684.80 × 947,211.59
  4. Step 4: Simplify right side
    1,672,213.32x = 2,185,865,772,352.35
  5. Step 5: Solve for x
    x = 2,185,865,772,352.35/1,672,213.32
  6. Step 6: Final answer
    x = 1,307,169.21

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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.