Home / 2,912,953.67-4,020,094.91-1,689,248.54

Finding the Fourth Proportional to 2,912,953.67, 4,020,094.91 and 1,689,248.54

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Solution

The fourth proportional to 2,912,953.67, 4,020,094.91 and 1,689,248.54 is: 2,331,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,953.67 : 4,020,094.91 = 1,689,248.54 : x
  2. Step 2: Convert to fraction form
    2,912,953.67/4,020,094.91 = 1,689,248.54/x
  3. Step 3: Cross multiply
    2,912,953.67x = 4,020,094.91 × 1,689,248.54
  4. Step 4: Simplify right side
    2,912,953.67x = 6,790,939,457,378.93
  5. Step 5: Solve for x
    x = 6,790,939,457,378.93/2,912,953.67
  6. Step 6: Final answer
    x = 2,331,289.90

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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.