Home / 1,639,271.40-2,457,837.90-1,471,309.80

Finding the Fourth Proportional to 1,639,271.40, 2,457,837.90 and 1,471,309.80

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Solution

The fourth proportional to 1,639,271.40, 2,457,837.90 and 1,471,309.80 is: 2,206,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,271.40 : 2,457,837.90 = 1,471,309.80 : x
  2. Step 2: Convert to fraction form
    1,639,271.40/2,457,837.90 = 1,471,309.80/x
  3. Step 3: Cross multiply
    1,639,271.40x = 2,457,837.90 × 1,471,309.80
  4. Step 4: Simplify right side
    1,639,271.40x = 3,616,240,989,081.42
  5. Step 5: Solve for x
    x = 3,616,240,989,081.42/1,639,271.40
  6. Step 6: Final answer
    x = 2,206,005.05

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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.