Home / 2,071,184.40-2,856,762.18-1,382,509.08

Finding the Fourth Proportional to 2,071,184.40, 2,856,762.18 and 1,382,509.08

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Solution

The fourth proportional to 2,071,184.40, 2,856,762.18 and 1,382,509.08 is: 1,906,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,184.40 : 2,856,762.18 = 1,382,509.08 : x
  2. Step 2: Convert to fraction form
    2,071,184.40/2,856,762.18 = 1,382,509.08/x
  3. Step 3: Cross multiply
    2,071,184.40x = 2,856,762.18 × 1,382,509.08
  4. Step 4: Simplify right side
    2,071,184.40x = 3,949,499,653,250.60
  5. Step 5: Solve for x
    x = 3,949,499,653,250.60/2,071,184.40
  6. Step 6: Final answer
    x = 1,906,879.78

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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.