Home / 3,543,005.20-5,314,507.80-2,106,000.40

Finding the Fourth Proportional to 3,543,005.20, 5,314,507.80 and 2,106,000.40

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Solution

The fourth proportional to 3,543,005.20, 5,314,507.80 and 2,106,000.40 is: 3,159,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,005.20 : 5,314,507.80 = 2,106,000.40 : x
  2. Step 2: Convert to fraction form
    3,543,005.20/5,314,507.80 = 2,106,000.40/x
  3. Step 3: Cross multiply
    3,543,005.20x = 5,314,507.80 × 2,106,000.40
  4. Step 4: Simplify right side
    3,543,005.20x = 11,192,355,552,603.12
  5. Step 5: Solve for x
    x = 11,192,355,552,603.12/3,543,005.20
  6. Step 6: Final answer
    x = 3,159,000.60

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1.5x scale

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.