Home / 1,970,471.16-2,719,280.34-1,154,479.56

Finding the Fourth Proportional to 1,970,471.16, 2,719,280.34 and 1,154,479.56

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Solution

The fourth proportional to 1,970,471.16, 2,719,280.34 and 1,154,479.56 is: 1,593,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,471.16 : 2,719,280.34 = 1,154,479.56 : x
  2. Step 2: Convert to fraction form
    1,970,471.16/2,719,280.34 = 1,154,479.56/x
  3. Step 3: Cross multiply
    1,970,471.16x = 2,719,280.34 × 1,154,479.56
  4. Step 4: Simplify right side
    1,970,471.16x = 3,139,353,570,439.85
  5. Step 5: Solve for x
    x = 3,139,353,570,439.85/1,970,471.16
  6. Step 6: Final answer
    x = 1,593,199.45

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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.