Home / 2,616,459.81-3,924,689.78-819,483.94

Finding the Fourth Proportional to 2,616,459.81, 3,924,689.78 and 819,483.94

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Solution

The fourth proportional to 2,616,459.81, 3,924,689.78 and 819,483.94 is: 1,229,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,459.81 : 3,924,689.78 = 819,483.94 : x
  2. Step 2: Convert to fraction form
    2,616,459.81/3,924,689.78 = 819,483.94/x
  3. Step 3: Cross multiply
    2,616,459.81x = 3,924,689.78 × 819,483.94
  4. Step 4: Simplify right side
    2,616,459.81x = 3,216,220,244,192.13
  5. Step 5: Solve for x
    x = 3,216,220,244,192.13/2,616,459.81
  6. Step 6: Final answer
    x = 1,229,225.93

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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.