Home / 2,792,985.57-4,189,364.55-971,767.44

Finding the Fourth Proportional to 2,792,985.57, 4,189,364.55 and 971,767.44

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Solution

The fourth proportional to 2,792,985.57, 4,189,364.55 and 971,767.44 is: 1,457,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,985.57 : 4,189,364.55 = 971,767.44 : x
  2. Step 2: Convert to fraction form
    2,792,985.57/4,189,364.55 = 971,767.44/x
  3. Step 3: Cross multiply
    2,792,985.57x = 4,189,364.55 × 971,767.44
  4. Step 4: Simplify right side
    2,792,985.57x = 4,071,088,063,980.25
  5. Step 5: Solve for x
    x = 4,071,088,063,980.25/2,792,985.57
  6. Step 6: Final answer
    x = 1,457,611.56

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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.