Home / 5,276,307.84-7,913,266.20-2,679,980.82

Finding the Fourth Proportional to 5,276,307.84, 7,913,266.20 and 2,679,980.82

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Solution

The fourth proportional to 5,276,307.84, 7,913,266.20 and 2,679,980.82 is: 4,019,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,307.84 : 7,913,266.20 = 2,679,980.82 : x
  2. Step 2: Convert to fraction form
    5,276,307.84/7,913,266.20 = 2,679,980.82/x
  3. Step 3: Cross multiply
    5,276,307.84x = 7,913,266.20 × 2,679,980.82
  4. Step 4: Simplify right side
    5,276,307.84x = 21,207,401,639,554.28
  5. Step 5: Solve for x
    x = 21,207,401,639,554.28/5,276,307.84
  6. Step 6: Final answer
    x = 4,019,363.97

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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.