Home / 1,897,614-2,620,302.92-1,355,412.96

Finding the Fourth Proportional to 1,897,614, 2,620,302.92 and 1,355,412.96

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Solution

The fourth proportional to 1,897,614, 2,620,302.92 and 1,355,412.96 is: 1,871,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,614 : 2,620,302.92 = 1,355,412.96 : x
  2. Step 2: Convert to fraction form
    1,897,614/2,620,302.92 = 1,355,412.96/x
  3. Step 3: Cross multiply
    1,897,614x = 2,620,302.92 × 1,355,412.96
  4. Step 4: Simplify right side
    1,897,614x = 3,551,592,536,893.84
  5. Step 5: Solve for x
    x = 3,551,592,536,893.84/1,897,614
  6. Step 6: Final answer
    x = 1,871,609.58

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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.