Home / 5,115,300.21-7,059,114.90-2,823,461.55

Finding the Fourth Proportional to 5,115,300.21, 7,059,114.90 and 2,823,461.55

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Solution

The fourth proportional to 5,115,300.21, 7,059,114.90 and 2,823,461.55 is: 3,896,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,300.21 : 7,059,114.90 = 2,823,461.55 : x
  2. Step 2: Convert to fraction form
    5,115,300.21/7,059,114.90 = 2,823,461.55/x
  3. Step 3: Cross multiply
    5,115,300.21x = 7,059,114.90 × 2,823,461.55
  4. Step 4: Simplify right side
    5,115,300.21x = 19,931,139,497,182.09
  5. Step 5: Solve for x
    x = 19,931,139,497,182.09/5,115,300.21
  6. Step 6: Final answer
    x = 3,896,377.28

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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.