Home / 4,684,435.20-7,029,277.20-1,988,301.60

Finding the Fourth Proportional to 4,684,435.20, 7,029,277.20 and 1,988,301.60

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Solution

The fourth proportional to 4,684,435.20, 7,029,277.20 and 1,988,301.60 is: 2,983,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684,435.20 : 7,029,277.20 = 1,988,301.60 : x
  2. Step 2: Convert to fraction form
    4,684,435.20/7,029,277.20 = 1,988,301.60/x
  3. Step 3: Cross multiply
    4,684,435.20x = 7,029,277.20 × 1,988,301.60
  4. Step 4: Simplify right side
    4,684,435.20x = 13,976,323,103,603.52
  5. Step 5: Solve for x
    x = 13,976,323,103,603.52/4,684,435.20
  6. Step 6: Final answer
    x = 2,983,566.32

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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.