Home / 2,812,057.20-4,218,085.80-2,564,051.40

Finding the Fourth Proportional to 2,812,057.20, 4,218,085.80 and 2,564,051.40

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Solution

The fourth proportional to 2,812,057.20, 4,218,085.80 and 2,564,051.40 is: 3,846,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,057.20 : 4,218,085.80 = 2,564,051.40 : x
  2. Step 2: Convert to fraction form
    2,812,057.20/4,218,085.80 = 2,564,051.40/x
  3. Step 3: Cross multiply
    2,812,057.20x = 4,218,085.80 × 2,564,051.40
  4. Step 4: Simplify right side
    2,812,057.20x = 10,815,388,800,810.12
  5. Step 5: Solve for x
    x = 10,815,388,800,810.12/2,812,057.20
  6. Step 6: Final answer
    x = 3,846,077.10

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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.