Home / 1,898,079.31-2,619,349.41-1,038,639.54

Finding the Fourth Proportional to 1,898,079.31, 2,619,349.41 and 1,038,639.54

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Solution

The fourth proportional to 1,898,079.31, 2,619,349.41 and 1,038,639.54 is: 1,433,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,079.31 : 2,619,349.41 = 1,038,639.54 : x
  2. Step 2: Convert to fraction form
    1,898,079.31/2,619,349.41 = 1,038,639.54/x
  3. Step 3: Cross multiply
    1,898,079.31x = 2,619,349.41 × 1,038,639.54
  4. Step 4: Simplify right side
    1,898,079.31x = 2,720,559,866,301.67
  5. Step 5: Solve for x
    x = 2,720,559,866,301.67/1,898,079.31
  6. Step 6: Final answer
    x = 1,433,322.54

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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.