Home / 1,888,457.20-2,606,066.92-1,029,015.48

Finding the Fourth Proportional to 1,888,457.20, 2,606,066.92 and 1,029,015.48

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Solution

The fourth proportional to 1,888,457.20, 2,606,066.92 and 1,029,015.48 is: 1,420,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,457.20 : 2,606,066.92 = 1,029,015.48 : x
  2. Step 2: Convert to fraction form
    1,888,457.20/2,606,066.92 = 1,029,015.48/x
  3. Step 3: Cross multiply
    1,888,457.20x = 2,606,066.92 × 1,029,015.48
  4. Step 4: Simplify right side
    1,888,457.20x = 2,681,683,202,595.92
  5. Step 5: Solve for x
    x = 2,681,683,202,595.92/1,888,457.20
  6. Step 6: Final answer
    x = 1,420,039.17

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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.