Home / 2,908,078.07-4,010,535.21-1,820,448.80

Finding the Fourth Proportional to 2,908,078.07, 4,010,535.21 and 1,820,448.80

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Solution

The fourth proportional to 2,908,078.07, 4,010,535.21 and 1,820,448.80 is: 2,510,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,078.07 : 4,010,535.21 = 1,820,448.80 : x
  2. Step 2: Convert to fraction form
    2,908,078.07/4,010,535.21 = 1,820,448.80/x
  3. Step 3: Cross multiply
    2,908,078.07x = 4,010,535.21 × 1,820,448.80
  4. Step 4: Simplify right side
    2,908,078.07x = 7,300,974,010,402.25
  5. Step 5: Solve for x
    x = 7,300,974,010,402.25/2,908,078.07
  6. Step 6: Final answer
    x = 2,510,583.91

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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.