Home / 1,803,891.36-2,489,364.60-1,039,938.24

Finding the Fourth Proportional to 1,803,891.36, 2,489,364.60 and 1,039,938.24

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Solution

The fourth proportional to 1,803,891.36, 2,489,364.60 and 1,039,938.24 is: 1,435,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,891.36 : 2,489,364.60 = 1,039,938.24 : x
  2. Step 2: Convert to fraction form
    1,803,891.36/2,489,364.60 = 1,039,938.24/x
  3. Step 3: Cross multiply
    1,803,891.36x = 2,489,364.60 × 1,039,938.24
  4. Step 4: Simplify right side
    1,803,891.36x = 2,588,785,440,842.30
  5. Step 5: Solve for x
    x = 2,588,785,440,842.30/1,803,891.36
  6. Step 6: Final answer
    x = 1,435,111.61

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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.