Home / 1,897,302.67-2,617,858.14-1,162,412.21

Finding the Fourth Proportional to 1,897,302.67, 2,617,858.14 and 1,162,412.21

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Solution

The fourth proportional to 1,897,302.67, 2,617,858.14 and 1,162,412.21 is: 1,603,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,302.67 : 2,617,858.14 = 1,162,412.21 : x
  2. Step 2: Convert to fraction form
    1,897,302.67/2,617,858.14 = 1,162,412.21/x
  3. Step 3: Cross multiply
    1,897,302.67x = 2,617,858.14 × 1,162,412.21
  4. Step 4: Simplify right side
    1,897,302.67x = 3,043,030,272,528.53
  5. Step 5: Solve for x
    x = 3,043,030,272,528.53/1,897,302.67
  6. Step 6: Final answer
    x = 1,603,871.81

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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.