Home / 1,804,971.65-2,490,888.43-989,168.71

Finding the Fourth Proportional to 1,804,971.65, 2,490,888.43 and 989,168.71

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Solution

The fourth proportional to 1,804,971.65, 2,490,888.43 and 989,168.71 is: 1,365,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,971.65 : 2,490,888.43 = 989,168.71 : x
  2. Step 2: Convert to fraction form
    1,804,971.65/2,490,888.43 = 989,168.71/x
  3. Step 3: Cross multiply
    1,804,971.65x = 2,490,888.43 × 989,168.71
  4. Step 4: Simplify right side
    1,804,971.65x = 2,463,908,897,518.72
  5. Step 5: Solve for x
    x = 2,463,908,897,518.72/1,804,971.65
  6. Step 6: Final answer
    x = 1,365,067.92

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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.