Home / 2,889,007.80-4,334,030.10-1,206,281.40

Finding the Fourth Proportional to 2,889,007.80, 4,334,030.10 and 1,206,281.40

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Solution

The fourth proportional to 2,889,007.80, 4,334,030.10 and 1,206,281.40 is: 1,809,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,007.80 : 4,334,030.10 = 1,206,281.40 : x
  2. Step 2: Convert to fraction form
    2,889,007.80/4,334,030.10 = 1,206,281.40/x
  3. Step 3: Cross multiply
    2,889,007.80x = 4,334,030.10 × 1,206,281.40
  4. Step 4: Simplify right side
    2,889,007.80x = 5,228,059,896,670.14
  5. Step 5: Solve for x
    x = 5,228,059,896,670.14/2,889,007.80
  6. Step 6: Final answer
    x = 1,809,638.55

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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.