Home / 2,113,123.14-3,169,810.67-816,285.60

Finding the Fourth Proportional to 2,113,123.14, 3,169,810.67 and 816,285.60

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Solution

The fourth proportional to 2,113,123.14, 3,169,810.67 and 816,285.60 is: 1,224,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,123.14 : 3,169,810.67 = 816,285.60 : x
  2. Step 2: Convert to fraction form
    2,113,123.14/3,169,810.67 = 816,285.60/x
  3. Step 3: Cross multiply
    2,113,123.14x = 3,169,810.67 × 816,285.60
  4. Step 4: Simplify right side
    2,113,123.14x = 2,587,470,800,565.92
  5. Step 5: Solve for x
    x = 2,587,470,800,565.92/2,113,123.14
  6. Step 6: Final answer
    x = 1,224,477.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.