Home / 1,898,939.10-2,620,564.80-1,039,579.32

Finding the Fourth Proportional to 1,898,939.10, 2,620,564.80 and 1,039,579.32

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Solution

The fourth proportional to 1,898,939.10, 2,620,564.80 and 1,039,579.32 is: 1,434,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,939.10 : 2,620,564.80 = 1,039,579.32 : x
  2. Step 2: Convert to fraction form
    1,898,939.10/2,620,564.80 = 1,039,579.32/x
  3. Step 3: Cross multiply
    1,898,939.10x = 2,620,564.80 × 1,039,579.32
  4. Step 4: Simplify right side
    1,898,939.10x = 2,724,284,972,799.94
  5. Step 5: Solve for x
    x = 2,724,284,972,799.94/1,898,939.10
  6. Step 6: Final answer
    x = 1,434,635.25

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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.