Home / 2,880,130.05-3,974,502.47-1,590,942.69

Finding the Fourth Proportional to 2,880,130.05, 3,974,502.47 and 1,590,942.69

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Solution

The fourth proportional to 2,880,130.05, 3,974,502.47 and 1,590,942.69 is: 2,195,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,130.05 : 3,974,502.47 = 1,590,942.69 : x
  2. Step 2: Convert to fraction form
    2,880,130.05/3,974,502.47 = 1,590,942.69/x
  3. Step 3: Cross multiply
    2,880,130.05x = 3,974,502.47 × 1,590,942.69
  4. Step 4: Simplify right side
    2,880,130.05x = 6,323,205,643,078.73
  5. Step 5: Solve for x
    x = 6,323,205,643,078.73/2,880,130.05
  6. Step 6: Final answer
    x = 2,195,458.38

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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.