Home / 3,739,737.60-5,160,844.80-2,130,105.60

Finding the Fourth Proportional to 3,739,737.60, 5,160,844.80 and 2,130,105.60

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Solution

The fourth proportional to 3,739,737.60, 5,160,844.80 and 2,130,105.60 is: 2,939,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739,737.60 : 5,160,844.80 = 2,130,105.60 : x
  2. Step 2: Convert to fraction form
    3,739,737.60/5,160,844.80 = 2,130,105.60/x
  3. Step 3: Cross multiply
    3,739,737.60x = 5,160,844.80 × 2,130,105.60
  4. Step 4: Simplify right side
    3,739,737.60x = 10,993,144,409,210.88
  5. Step 5: Solve for x
    x = 10,993,144,409,210.88/3,739,737.60
  6. Step 6: Final answer
    x = 2,939,549.66

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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.