Home / 2,012,115.20-3,018,707.40-874,389.20

Finding the Fourth Proportional to 2,012,115.20, 3,018,707.40 and 874,389.20

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Solution

The fourth proportional to 2,012,115.20, 3,018,707.40 and 874,389.20 is: 1,311,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,115.20 : 3,018,707.40 = 874,389.20 : x
  2. Step 2: Convert to fraction form
    2,012,115.20/3,018,707.40 = 874,389.20/x
  3. Step 3: Cross multiply
    2,012,115.20x = 3,018,707.40 × 874,389.20
  4. Step 4: Simplify right side
    2,012,115.20x = 2,639,525,148,520.08
  5. Step 5: Solve for x
    x = 2,639,525,148,520.08/2,012,115.20
  6. Step 6: Final answer
    x = 1,311,816.12

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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.