Home / 2,442,823.60-3,371,116.80-1,355,166.40

Finding the Fourth Proportional to 2,442,823.60, 3,371,116.80 and 1,355,166.40

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Solution

The fourth proportional to 2,442,823.60, 3,371,116.80 and 1,355,166.40 is: 1,870,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442,823.60 : 3,371,116.80 = 1,355,166.40 : x
  2. Step 2: Convert to fraction form
    2,442,823.60/3,371,116.80 = 1,355,166.40/x
  3. Step 3: Cross multiply
    2,442,823.60x = 3,371,116.80 × 1,355,166.40
  4. Step 4: Simplify right side
    2,442,823.60x = 4,568,424,217,835.52
  5. Step 5: Solve for x
    x = 4,568,424,217,835.52/2,442,823.60
  6. Step 6: Final answer
    x = 1,870,140.86

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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.