Home / 2,180,766.84-3,009,426.02-1,213,895.72

Finding the Fourth Proportional to 2,180,766.84, 3,009,426.02 and 1,213,895.72

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Solution

The fourth proportional to 2,180,766.84, 3,009,426.02 and 1,213,895.72 is: 1,675,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,766.84 : 3,009,426.02 = 1,213,895.72 : x
  2. Step 2: Convert to fraction form
    2,180,766.84/3,009,426.02 = 1,213,895.72/x
  3. Step 3: Cross multiply
    2,180,766.84x = 3,009,426.02 × 1,213,895.72
  4. Step 4: Simplify right side
    2,180,766.84x = 3,653,129,365,334.63
  5. Step 5: Solve for x
    x = 3,653,129,365,334.63/2,180,766.84
  6. Step 6: Final answer
    x = 1,675,158.16

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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.