Home / 1,586,981.57-2,190,704.70-1,071,433.53

Finding the Fourth Proportional to 1,586,981.57, 2,190,704.70 and 1,071,433.53

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Solution

The fourth proportional to 1,586,981.57, 2,190,704.70 and 1,071,433.53 is: 1,479,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,981.57 : 2,190,704.70 = 1,071,433.53 : x
  2. Step 2: Convert to fraction form
    1,586,981.57/2,190,704.70 = 1,071,433.53/x
  3. Step 3: Cross multiply
    1,586,981.57x = 2,190,704.70 × 1,071,433.53
  4. Step 4: Simplify right side
    1,586,981.57x = 2,347,194,458,724.89
  5. Step 5: Solve for x
    x = 2,347,194,458,724.89/1,586,981.57
  6. Step 6: Final answer
    x = 1,479,030.70

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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.