Home / 1,578,036.48-2,177,078.40-1,004,974.08

Finding the Fourth Proportional to 1,578,036.48, 2,177,078.40 and 1,004,974.08

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Solution

The fourth proportional to 1,578,036.48, 2,177,078.40 and 1,004,974.08 is: 1,386,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,036.48 : 2,177,078.40 = 1,004,974.08 : x
  2. Step 2: Convert to fraction form
    1,578,036.48/2,177,078.40 = 1,004,974.08/x
  3. Step 3: Cross multiply
    1,578,036.48x = 2,177,078.40 × 1,004,974.08
  4. Step 4: Simplify right side
    1,578,036.48x = 2,187,907,362,127.87
  5. Step 5: Solve for x
    x = 2,187,907,362,127.87/1,578,036.48
  6. Step 6: Final answer
    x = 1,386,474.51

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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.