Home / 4,900,687.80-7,345,782.90-1,866,881.40

Finding the Fourth Proportional to 4,900,687.80, 7,345,782.90 and 1,866,881.40

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Solution

The fourth proportional to 4,900,687.80, 7,345,782.90 and 1,866,881.40 is: 2,798,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900,687.80 : 7,345,782.90 = 1,866,881.40 : x
  2. Step 2: Convert to fraction form
    4,900,687.80/7,345,782.90 = 1,866,881.40/x
  3. Step 3: Cross multiply
    4,900,687.80x = 7,345,782.90 × 1,866,881.40
  4. Step 4: Simplify right side
    4,900,687.80x = 13,713,705,464,448.06
  5. Step 5: Solve for x
    x = 13,713,705,464,448.06/4,900,687.80
  6. Step 6: Final answer
    x = 2,798,322.61

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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.