Home / 1,920,344.72-2,881,291.66-854,657.91

Finding the Fourth Proportional to 1,920,344.72, 2,881,291.66 and 854,657.91

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Solution

The fourth proportional to 1,920,344.72, 2,881,291.66 and 854,657.91 is: 1,282,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,344.72 : 2,881,291.66 = 854,657.91 : x
  2. Step 2: Convert to fraction form
    1,920,344.72/2,881,291.66 = 854,657.91/x
  3. Step 3: Cross multiply
    1,920,344.72x = 2,881,291.66 × 854,657.91
  4. Step 4: Simplify right side
    1,920,344.72x = 2,462,518,706,099.39
  5. Step 5: Solve for x
    x = 2,462,518,706,099.39/1,920,344.72
  6. Step 6: Final answer
    x = 1,282,331.60

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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.