Home / 2,048,653.60-3,072,980.40-1,625,639.20

Finding the Fourth Proportional to 2,048,653.60, 3,072,980.40 and 1,625,639.20

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Solution

The fourth proportional to 2,048,653.60, 3,072,980.40 and 1,625,639.20 is: 2,438,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,653.60 : 3,072,980.40 = 1,625,639.20 : x
  2. Step 2: Convert to fraction form
    2,048,653.60/3,072,980.40 = 1,625,639.20/x
  3. Step 3: Cross multiply
    2,048,653.60x = 3,072,980.40 × 1,625,639.20
  4. Step 4: Simplify right side
    2,048,653.60x = 4,995,557,399,071.68
  5. Step 5: Solve for x
    x = 4,995,557,399,071.68/2,048,653.60
  6. Step 6: Final answer
    x = 2,438,458.80

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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.