Home / 5,282,628.16-7,927,090.08-1,917,097.60

Finding the Fourth Proportional to 5,282,628.16, 7,927,090.08 and 1,917,097.60

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Solution

The fourth proportional to 5,282,628.16, 7,927,090.08 and 1,917,097.60 is: 2,876,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,628.16 : 7,927,090.08 = 1,917,097.60 : x
  2. Step 2: Convert to fraction form
    5,282,628.16/7,927,090.08 = 1,917,097.60/x
  3. Step 3: Cross multiply
    5,282,628.16x = 7,927,090.08 × 1,917,097.60
  4. Step 4: Simplify right side
    5,282,628.16x = 15,197,005,367,351.81
  5. Step 5: Solve for x
    x = 15,197,005,367,351.81/5,282,628.16
  6. Step 6: Final answer
    x = 2,876,788.77

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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.