Home / 2,010,291.40-3,017,769.90-1,212,473.80

Finding the Fourth Proportional to 2,010,291.40, 3,017,769.90 and 1,212,473.80

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Solution

The fourth proportional to 2,010,291.40, 3,017,769.90 and 1,212,473.80 is: 1,820,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,291.40 : 3,017,769.90 = 1,212,473.80 : x
  2. Step 2: Convert to fraction form
    2,010,291.40/3,017,769.90 = 1,212,473.80/x
  3. Step 3: Cross multiply
    2,010,291.40x = 3,017,769.90 × 1,212,473.80
  4. Step 4: Simplify right side
    2,010,291.40x = 3,658,966,938,178.62
  5. Step 5: Solve for x
    x = 3,658,966,938,178.62/2,010,291.40
  6. Step 6: Final answer
    x = 1,820,117.69

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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.