Home / 1,897,700.23-2,618,864.13-1,038,278.94

Finding the Fourth Proportional to 1,897,700.23, 2,618,864.13 and 1,038,278.94

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Solution

The fourth proportional to 1,897,700.23, 2,618,864.13 and 1,038,278.94 is: 1,432,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,700.23 : 2,618,864.13 = 1,038,278.94 : x
  2. Step 2: Convert to fraction form
    1,897,700.23/2,618,864.13 = 1,038,278.94/x
  3. Step 3: Cross multiply
    1,897,700.23x = 2,618,864.13 × 1,038,278.94
  4. Step 4: Simplify right side
    1,897,700.23x = 2,719,111,472,900.42
  5. Step 5: Solve for x
    x = 2,719,111,472,900.42/1,897,700.23
  6. Step 6: Final answer
    x = 1,432,845.63

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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.