Home / 1,897,790.64-2,618,927.76-1,038,338.56

Finding the Fourth Proportional to 1,897,790.64, 2,618,927.76 and 1,038,338.56

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Solution

The fourth proportional to 1,897,790.64, 2,618,927.76 and 1,038,338.56 is: 1,432,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,790.64 : 2,618,927.76 = 1,038,338.56 : x
  2. Step 2: Convert to fraction form
    1,897,790.64/2,618,927.76 = 1,038,338.56/x
  3. Step 3: Cross multiply
    1,897,790.64x = 2,618,927.76 × 1,038,338.56
  4. Step 4: Simplify right side
    1,897,790.64x = 2,719,333,679,062.43
  5. Step 5: Solve for x
    x = 2,719,333,679,062.43/1,897,790.64
  6. Step 6: Final answer
    x = 1,432,894.45

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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.