Home / 2,879,440-3,973,627.52-1,672,293.76

Finding the Fourth Proportional to 2,879,440, 3,973,627.52 and 1,672,293.76

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Solution

The fourth proportional to 2,879,440, 3,973,627.52 and 1,672,293.76 is: 2,307,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,440 : 3,973,627.52 = 1,672,293.76 : x
  2. Step 2: Convert to fraction form
    2,879,440/3,973,627.52 = 1,672,293.76/x
  3. Step 3: Cross multiply
    2,879,440x = 3,973,627.52 × 1,672,293.76
  4. Step 4: Simplify right side
    2,879,440x = 6,645,072,506,260.28
  5. Step 5: Solve for x
    x = 6,645,072,506,260.28/2,879,440
  6. Step 6: Final answer
    x = 2,307,765.57

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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.