Home / 1,918,155.93-2,646,866.58-1,058,660.76

Finding the Fourth Proportional to 1,918,155.93, 2,646,866.58 and 1,058,660.76

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Solution

The fourth proportional to 1,918,155.93, 2,646,866.58 and 1,058,660.76 is: 1,460,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,155.93 : 2,646,866.58 = 1,058,660.76 : x
  2. Step 2: Convert to fraction form
    1,918,155.93/2,646,866.58 = 1,058,660.76/x
  3. Step 3: Cross multiply
    1,918,155.93x = 2,646,866.58 × 1,058,660.76
  4. Step 4: Simplify right side
    1,918,155.93x = 2,802,133,785,201.40
  5. Step 5: Solve for x
    x = 2,802,133,785,201.40/1,918,155.93
  6. Step 6: Final answer
    x = 1,460,847.76

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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.