Home / 2,980,455.71-4,113,669.86-1,818,653.04

Finding the Fourth Proportional to 2,980,455.71, 4,113,669.86 and 1,818,653.04

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Solution

The fourth proportional to 2,980,455.71, 4,113,669.86 and 1,818,653.04 is: 2,510,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,455.71 : 4,113,669.86 = 1,818,653.04 : x
  2. Step 2: Convert to fraction form
    2,980,455.71/4,113,669.86 = 1,818,653.04/x
  3. Step 3: Cross multiply
    2,980,455.71x = 4,113,669.86 × 1,818,653.04
  4. Step 4: Simplify right side
    2,980,455.71x = 7,481,338,187,352.11
  5. Step 5: Solve for x
    x = 7,481,338,187,352.11/2,980,455.71
  6. Step 6: Final answer
    x = 2,510,132.32

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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.