Home / 1,920,559.38-2,880,368.01-909,644.82

Finding the Fourth Proportional to 1,920,559.38, 2,880,368.01 and 909,644.82

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Solution

The fourth proportional to 1,920,559.38, 2,880,368.01 and 909,644.82 is: 1,364,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,559.38 : 2,880,368.01 = 909,644.82 : x
  2. Step 2: Convert to fraction form
    1,920,559.38/2,880,368.01 = 909,644.82/x
  3. Step 3: Cross multiply
    1,920,559.38x = 2,880,368.01 × 909,644.82
  4. Step 4: Simplify right side
    1,920,559.38x = 2,620,111,839,990.21
  5. Step 5: Solve for x
    x = 2,620,111,839,990.21/1,920,559.38
  6. Step 6: Final answer
    x = 1,364,244.12

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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.