Home / 2,987,429.60-4,475,798.40-1,816,817.60

Finding the Fourth Proportional to 2,987,429.60, 4,475,798.40 and 1,816,817.60

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Solution

The fourth proportional to 2,987,429.60, 4,475,798.40 and 1,816,817.60 is: 2,721,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,429.60 : 4,475,798.40 = 1,816,817.60 : x
  2. Step 2: Convert to fraction form
    2,987,429.60/4,475,798.40 = 1,816,817.60/x
  3. Step 3: Cross multiply
    2,987,429.60x = 4,475,798.40 × 1,816,817.60
  4. Step 4: Simplify right side
    2,987,429.60x = 8,131,709,307,171.84
  5. Step 5: Solve for x
    x = 8,131,709,307,171.84/2,987,429.60
  6. Step 6: Final answer
    x = 2,721,975.21

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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.