Home / 1,898,396.40-2,619,788.08-1,038,956.16

Finding the Fourth Proportional to 1,898,396.40, 2,619,788.08 and 1,038,956.16

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Solution

The fourth proportional to 1,898,396.40, 2,619,788.08 and 1,038,956.16 is: 1,433,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,396.40 : 2,619,788.08 = 1,038,956.16 : x
  2. Step 2: Convert to fraction form
    1,898,396.40/2,619,788.08 = 1,038,956.16/x
  3. Step 3: Cross multiply
    1,898,396.40x = 2,619,788.08 × 1,038,956.16
  4. Step 4: Simplify right side
    1,898,396.40x = 2,721,844,963,610.57
  5. Step 5: Solve for x
    x = 2,721,844,963,610.57/1,898,396.40
  6. Step 6: Final answer
    x = 1,433,760.07

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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.