Home / 1,897,617.96-2,620,308.42-1,355,416.92

Finding the Fourth Proportional to 1,897,617.96, 2,620,308.42 and 1,355,416.92

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Solution

The fourth proportional to 1,897,617.96, 2,620,308.42 and 1,355,416.92 is: 1,871,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,617.96 : 2,620,308.42 = 1,355,416.92 : x
  2. Step 2: Convert to fraction form
    1,897,617.96/2,620,308.42 = 1,355,416.92/x
  3. Step 3: Cross multiply
    1,897,617.96x = 2,620,308.42 × 1,355,416.92
  4. Step 4: Simplify right side
    1,897,617.96x = 3,551,610,368,086.47
  5. Step 5: Solve for x
    x = 3,551,610,368,086.47/1,897,617.96
  6. Step 6: Final answer
    x = 1,871,615.07

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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.