Home / 1,890,514.89-2,609,134.74-1,074,841.65

Finding the Fourth Proportional to 1,890,514.89, 2,609,134.74 and 1,074,841.65

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Solution

The fourth proportional to 1,890,514.89, 2,609,134.74 and 1,074,841.65 is: 1,483,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,514.89 : 2,609,134.74 = 1,074,841.65 : x
  2. Step 2: Convert to fraction form
    1,890,514.89/2,609,134.74 = 1,074,841.65/x
  3. Step 3: Cross multiply
    1,890,514.89x = 2,609,134.74 × 1,074,841.65
  4. Step 4: Simplify right side
    1,890,514.89x = 2,804,406,689,013.92
  5. Step 5: Solve for x
    x = 2,804,406,689,013.92/1,890,514.89
  6. Step 6: Final answer
    x = 1,483,408.94

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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.