Home / 5,186,221.60-7,776,999.60-1,990,285.60

Finding the Fourth Proportional to 5,186,221.60, 7,776,999.60 and 1,990,285.60

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Solution

The fourth proportional to 5,186,221.60, 7,776,999.60 and 1,990,285.60 is: 2,984,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,221.60 : 7,776,999.60 = 1,990,285.60 : x
  2. Step 2: Convert to fraction form
    5,186,221.60/7,776,999.60 = 1,990,285.60/x
  3. Step 3: Cross multiply
    5,186,221.60x = 7,776,999.60 × 1,990,285.60
  4. Step 4: Simplify right side
    5,186,221.60x = 15,478,450,315,085.76
  5. Step 5: Solve for x
    x = 15,478,450,315,085.76/5,186,221.60
  6. Step 6: Final answer
    x = 2,984,533.16

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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.