Home / 1,670,389.96-2,306,128.17-1,098,416.56

Finding the Fourth Proportional to 1,670,389.96, 2,306,128.17 and 1,098,416.56

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Solution

The fourth proportional to 1,670,389.96, 2,306,128.17 and 1,098,416.56 is: 1,516,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,389.96 : 2,306,128.17 = 1,098,416.56 : x
  2. Step 2: Convert to fraction form
    1,670,389.96/2,306,128.17 = 1,098,416.56/x
  3. Step 3: Cross multiply
    1,670,389.96x = 2,306,128.17 × 1,098,416.56
  4. Step 4: Simplify right side
    1,670,389.96x = 2,533,089,371,410.50
  5. Step 5: Solve for x
    x = 2,533,089,371,410.50/1,670,389.96
  6. Step 6: Final answer
    x = 1,516,465.87

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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.