Home / 2,013,123-2,778,129.18-1,107,724.44

Finding the Fourth Proportional to 2,013,123, 2,778,129.18 and 1,107,724.44

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Solution

The fourth proportional to 2,013,123, 2,778,129.18 and 1,107,724.44 is: 1,528,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,123 : 2,778,129.18 = 1,107,724.44 : x
  2. Step 2: Convert to fraction form
    2,013,123/2,778,129.18 = 1,107,724.44/x
  3. Step 3: Cross multiply
    2,013,123x = 2,778,129.18 × 1,107,724.44
  4. Step 4: Simplify right side
    2,013,123x = 3,077,401,590,163.16
  5. Step 5: Solve for x
    x = 3,077,401,590,163.16/2,013,123
  6. Step 6: Final answer
    x = 1,528,670.42

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1.5x scale

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.