Home / 5,309,117.40-7,963,676.10-2,116,534.80

Finding the Fourth Proportional to 5,309,117.40, 7,963,676.10 and 2,116,534.80

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Solution

The fourth proportional to 5,309,117.40, 7,963,676.10 and 2,116,534.80 is: 3,174,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,117.40 : 7,963,676.10 = 2,116,534.80 : x
  2. Step 2: Convert to fraction form
    5,309,117.40/7,963,676.10 = 2,116,534.80/x
  3. Step 3: Cross multiply
    5,309,117.40x = 7,963,676.10 × 2,116,534.80
  4. Step 4: Simplify right side
    5,309,117.40x = 16,855,397,601,578.28
  5. Step 5: Solve for x
    x = 16,855,397,601,578.28/5,309,117.40
  6. Step 6: Final answer
    x = 3,174,802.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.