Home / 1,818,867.36-2,727,550.40-620,886.28

Finding the Fourth Proportional to 1,818,867.36, 2,727,550.40 and 620,886.28

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Solution

The fourth proportional to 1,818,867.36, 2,727,550.40 and 620,886.28 is: 931,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,867.36 : 2,727,550.40 = 620,886.28 : x
  2. Step 2: Convert to fraction form
    1,818,867.36/2,727,550.40 = 620,886.28/x
  3. Step 3: Cross multiply
    1,818,867.36x = 2,727,550.40 × 620,886.28
  4. Step 4: Simplify right side
    1,818,867.36x = 1,693,498,621,368.51
  5. Step 5: Solve for x
    x = 1,693,498,621,368.51/1,818,867.36
  6. Step 6: Final answer
    x = 931,073.18

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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.