Home / 2,078,685.18-3,118,115.16-1,014,622.20

Finding the Fourth Proportional to 2,078,685.18, 3,118,115.16 and 1,014,622.20

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Solution

The fourth proportional to 2,078,685.18, 3,118,115.16 and 1,014,622.20 is: 1,521,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,685.18 : 3,118,115.16 = 1,014,622.20 : x
  2. Step 2: Convert to fraction form
    2,078,685.18/3,118,115.16 = 1,014,622.20/x
  3. Step 3: Cross multiply
    2,078,685.18x = 3,118,115.16 × 1,014,622.20
  4. Step 4: Simplify right side
    2,078,685.18x = 3,163,708,863,492.55
  5. Step 5: Solve for x
    x = 3,163,708,863,492.55/2,078,685.18
  6. Step 6: Final answer
    x = 1,521,975.96

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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.