Home / 1,949,019.89-2,922,199.40-1,038,338.51

Finding the Fourth Proportional to 1,949,019.89, 2,922,199.40 and 1,038,338.51

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Solution

The fourth proportional to 1,949,019.89, 2,922,199.40 and 1,038,338.51 is: 1,556,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,019.89 : 2,922,199.40 = 1,038,338.51 : x
  2. Step 2: Convert to fraction form
    1,949,019.89/2,922,199.40 = 1,038,338.51/x
  3. Step 3: Cross multiply
    1,949,019.89x = 2,922,199.40 × 1,038,338.51
  4. Step 4: Simplify right side
    1,949,019.89x = 3,034,232,158,903.74
  5. Step 5: Solve for x
    x = 3,034,232,158,903.74/1,949,019.89
  6. Step 6: Final answer
    x = 1,556,798.97

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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.