Home / 1,890,116.40-2,835,196.20-470,175.60

Finding the Fourth Proportional to 1,890,116.40, 2,835,196.20 and 470,175.60

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Solution

The fourth proportional to 1,890,116.40, 2,835,196.20 and 470,175.60 is: 705,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,116.40 : 2,835,196.20 = 470,175.60 : x
  2. Step 2: Convert to fraction form
    1,890,116.40/2,835,196.20 = 470,175.60/x
  3. Step 3: Cross multiply
    1,890,116.40x = 2,835,196.20 × 470,175.60
  4. Step 4: Simplify right side
    1,890,116.40x = 1,333,040,074,452.72
  5. Step 5: Solve for x
    x = 1,333,040,074,452.72/1,890,116.40
  6. Step 6: Final answer
    x = 705,268.77

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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.