Home / 3,178,622.93-4,386,554.42-1,728,328.14

Finding the Fourth Proportional to 3,178,622.93, 4,386,554.42 and 1,728,328.14

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Solution

The fourth proportional to 3,178,622.93, 4,386,554.42 and 1,728,328.14 is: 2,385,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,622.93 : 4,386,554.42 = 1,728,328.14 : x
  2. Step 2: Convert to fraction form
    3,178,622.93/4,386,554.42 = 1,728,328.14/x
  3. Step 3: Cross multiply
    3,178,622.93x = 4,386,554.42 × 1,728,328.14
  4. Step 4: Simplify right side
    3,178,622.93x = 7,581,405,433,085.74
  5. Step 5: Solve for x
    x = 7,581,405,433,085.74/3,178,622.93
  6. Step 6: Final answer
    x = 2,385,122.62

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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.