Home / 3,078,437.60-4,617,656.40-1,944,696.80

Finding the Fourth Proportional to 3,078,437.60, 4,617,656.40 and 1,944,696.80

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Solution

The fourth proportional to 3,078,437.60, 4,617,656.40 and 1,944,696.80 is: 2,917,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,437.60 : 4,617,656.40 = 1,944,696.80 : x
  2. Step 2: Convert to fraction form
    3,078,437.60/4,617,656.40 = 1,944,696.80/x
  3. Step 3: Cross multiply
    3,078,437.60x = 4,617,656.40 × 1,944,696.80
  4. Step 4: Simplify right side
    3,078,437.60x = 8,979,941,624,579.52
  5. Step 5: Solve for x
    x = 8,979,941,624,579.52/3,078,437.60
  6. Step 6: Final answer
    x = 2,917,045.20

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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.