Home / 1,868,518.48-2,578,555.14-1,009,078.60

Finding the Fourth Proportional to 1,868,518.48, 2,578,555.14 and 1,009,078.60

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Solution

The fourth proportional to 1,868,518.48, 2,578,555.14 and 1,009,078.60 is: 1,392,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,518.48 : 2,578,555.14 = 1,009,078.60 : x
  2. Step 2: Convert to fraction form
    1,868,518.48/2,578,555.14 = 1,009,078.60/x
  3. Step 3: Cross multiply
    1,868,518.48x = 2,578,555.14 × 1,009,078.60
  4. Step 4: Simplify right side
    1,868,518.48x = 2,601,964,810,694.00
  5. Step 5: Solve for x
    x = 2,601,964,810,694.00/1,868,518.48
  6. Step 6: Final answer
    x = 1,392,528.27

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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.