Home / 3,078,981.60-4,617,653.20-949,061.60

Finding the Fourth Proportional to 3,078,981.60, 4,617,653.20 and 949,061.60

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Solution

The fourth proportional to 3,078,981.60, 4,617,653.20 and 949,061.60 is: 1,423,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,981.60 : 4,617,653.20 = 949,061.60 : x
  2. Step 2: Convert to fraction form
    3,078,981.60/4,617,653.20 = 949,061.60/x
  3. Step 3: Cross multiply
    3,078,981.60x = 4,617,653.20 × 949,061.60
  4. Step 4: Simplify right side
    3,078,981.60x = 4,382,437,334,237.12
  5. Step 5: Solve for x
    x = 4,382,437,334,237.12/3,078,981.60
  6. Step 6: Final answer
    x = 1,423,339.89

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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.