Home / 1,890,515.16-2,837,033.64-980,536.39

Finding the Fourth Proportional to 1,890,515.16, 2,837,033.64 and 980,536.39

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Solution

The fourth proportional to 1,890,515.16, 2,837,033.64 and 980,536.39 is: 1,471,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,515.16 : 2,837,033.64 = 980,536.39 : x
  2. Step 2: Convert to fraction form
    1,890,515.16/2,837,033.64 = 980,536.39/x
  3. Step 3: Cross multiply
    1,890,515.16x = 2,837,033.64 × 980,536.39
  4. Step 4: Simplify right side
    1,890,515.16x = 2,781,814,716,581.58
  5. Step 5: Solve for x
    x = 2,781,814,716,581.58/1,890,515.16
  6. Step 6: Final answer
    x = 1,471,458.56

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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.