Home / 2,819,417.51-3,890,692.09-1,530,230.21

Finding the Fourth Proportional to 2,819,417.51, 3,890,692.09 and 1,530,230.21

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Solution

The fourth proportional to 2,819,417.51, 3,890,692.09 and 1,530,230.21 is: 2,111,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,417.51 : 3,890,692.09 = 1,530,230.21 : x
  2. Step 2: Convert to fraction form
    2,819,417.51/3,890,692.09 = 1,530,230.21/x
  3. Step 3: Cross multiply
    2,819,417.51x = 3,890,692.09 × 1,530,230.21
  4. Step 4: Simplify right side
    2,819,417.51x = 5,953,654,584,253.06
  5. Step 5: Solve for x
    x = 5,953,654,584,253.06/2,819,417.51
  6. Step 6: Final answer
    x = 2,111,661.21

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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.