Home / 1,890,814.65-2,609,259.71-1,126,854.33

Finding the Fourth Proportional to 1,890,814.65, 2,609,259.71 and 1,126,854.33

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Solution

The fourth proportional to 1,890,814.65, 2,609,259.71 and 1,126,854.33 is: 1,555,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,814.65 : 2,609,259.71 = 1,126,854.33 : x
  2. Step 2: Convert to fraction form
    1,890,814.65/2,609,259.71 = 1,126,854.33/x
  3. Step 3: Cross multiply
    1,890,814.65x = 2,609,259.71 × 1,126,854.33
  4. Step 4: Simplify right side
    1,890,814.65x = 2,940,255,596,673.77
  5. Step 5: Solve for x
    x = 2,940,255,596,673.77/1,890,814.65
  6. Step 6: Final answer
    x = 1,555,020.53

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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.