Home / 1,621,670.22-2,237,968.04-1,076,866.65

Finding the Fourth Proportional to 1,621,670.22, 2,237,968.04 and 1,076,866.65

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Solution

The fourth proportional to 1,621,670.22, 2,237,968.04 and 1,076,866.65 is: 1,486,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,670.22 : 2,237,968.04 = 1,076,866.65 : x
  2. Step 2: Convert to fraction form
    1,621,670.22/2,237,968.04 = 1,076,866.65/x
  3. Step 3: Cross multiply
    1,621,670.22x = 2,237,968.04 × 1,076,866.65
  4. Step 4: Simplify right side
    1,621,670.22x = 2,409,993,140,657.53
  5. Step 5: Solve for x
    x = 2,409,993,140,657.53/1,621,670.22
  6. Step 6: Final answer
    x = 1,486,117.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.