Home / 1,899,622.67-2,621,479.86-1,028,457.18

Finding the Fourth Proportional to 1,899,622.67, 2,621,479.86 and 1,028,457.18

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Solution

The fourth proportional to 1,899,622.67, 2,621,479.86 and 1,028,457.18 is: 1,419,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,622.67 : 2,621,479.86 = 1,028,457.18 : x
  2. Step 2: Convert to fraction form
    1,899,622.67/2,621,479.86 = 1,028,457.18/x
  3. Step 3: Cross multiply
    1,899,622.67x = 2,621,479.86 × 1,028,457.18
  4. Step 4: Simplify right side
    1,899,622.67x = 2,696,079,784,242.40
  5. Step 5: Solve for x
    x = 2,696,079,784,242.40/1,899,622.67
  6. Step 6: Final answer
    x = 1,419,271.22

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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.