Home / 1,919,706.50-2,649,147.30-1,103,890.74

Finding the Fourth Proportional to 1,919,706.50, 2,649,147.30 and 1,103,890.74

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Solution

The fourth proportional to 1,919,706.50, 2,649,147.30 and 1,103,890.74 is: 1,523,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,706.50 : 2,649,147.30 = 1,103,890.74 : x
  2. Step 2: Convert to fraction form
    1,919,706.50/2,649,147.30 = 1,103,890.74/x
  3. Step 3: Cross multiply
    1,919,706.50x = 2,649,147.30 × 1,103,890.74
  4. Step 4: Simplify right side
    1,919,706.50x = 2,924,369,173,366.00
  5. Step 5: Solve for x
    x = 2,924,369,173,366.00/1,919,706.50
  6. Step 6: Final answer
    x = 1,523,341.81

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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.