Home / 3,631,017.95-5,010,804.76-1,999,421.43

Finding the Fourth Proportional to 3,631,017.95, 5,010,804.76 and 1,999,421.43

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Solution

The fourth proportional to 3,631,017.95, 5,010,804.76 and 1,999,421.43 is: 2,759,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,017.95 : 5,010,804.76 = 1,999,421.43 : x
  2. Step 2: Convert to fraction form
    3,631,017.95/5,010,804.76 = 1,999,421.43/x
  3. Step 3: Cross multiply
    3,631,017.95x = 5,010,804.76 × 1,999,421.43
  4. Step 4: Simplify right side
    3,631,017.95x = 10,018,710,418,690.01
  5. Step 5: Solve for x
    x = 10,018,710,418,690.01/3,631,017.95
  6. Step 6: Final answer
    x = 2,759,201.57

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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.