Home / 1,243,544.70-1,868,081.85-1,210,367.10

Finding the Fourth Proportional to 1,243,544.70, 1,868,081.85 and 1,210,367.10

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Solution

The fourth proportional to 1,243,544.70, 1,868,081.85 and 1,210,367.10 is: 1,818,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,544.70 : 1,868,081.85 = 1,210,367.10 : x
  2. Step 2: Convert to fraction form
    1,243,544.70/1,868,081.85 = 1,210,367.10/x
  3. Step 3: Cross multiply
    1,243,544.70x = 1,868,081.85 × 1,210,367.10
  4. Step 4: Simplify right side
    1,243,544.70x = 2,261,064,811,347.14
  5. Step 5: Solve for x
    x = 2,261,064,811,347.14/1,243,544.70
  6. Step 6: Final answer
    x = 1,818,241.69

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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.