Home / 1,898,158.12-2,619,458.46-1,038,718.56

Finding the Fourth Proportional to 1,898,158.12, 2,619,458.46 and 1,038,718.56

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Solution

The fourth proportional to 1,898,158.12, 2,619,458.46 and 1,038,718.56 is: 1,433,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,158.12 : 2,619,458.46 = 1,038,718.56 : x
  2. Step 2: Convert to fraction form
    1,898,158.12/2,619,458.46 = 1,038,718.56/x
  3. Step 3: Cross multiply
    1,898,158.12x = 2,619,458.46 × 1,038,718.56
  4. Step 4: Simplify right side
    1,898,158.12x = 2,720,880,119,551.02
  5. Step 5: Solve for x
    x = 2,720,880,119,551.02/1,898,158.12
  6. Step 6: Final answer
    x = 1,433,431.75

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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.