Home / 1,897,622.66-2,618,748.81-1,038,197.27

Finding the Fourth Proportional to 1,897,622.66, 2,618,748.81 and 1,038,197.27

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Solution

The fourth proportional to 1,897,622.66, 2,618,748.81 and 1,038,197.27 is: 1,432,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,622.66 : 2,618,748.81 = 1,038,197.27 : x
  2. Step 2: Convert to fraction form
    1,897,622.66/2,618,748.81 = 1,038,197.27/x
  3. Step 3: Cross multiply
    1,897,622.66x = 2,618,748.81 × 1,038,197.27
  4. Step 4: Simplify right side
    1,897,622.66x = 2,718,777,871,904.62
  5. Step 5: Solve for x
    x = 2,718,777,871,904.62/1,897,622.66
  6. Step 6: Final answer
    x = 1,432,728.40

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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.