Home / 1,890,132.70-2,830,533.45-1,255,611.10

Finding the Fourth Proportional to 1,890,132.70, 2,830,533.45 and 1,255,611.10

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Solution

The fourth proportional to 1,890,132.70, 2,830,533.45 and 1,255,611.10 is: 1,880,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,132.70 : 2,830,533.45 = 1,255,611.10 : x
  2. Step 2: Convert to fraction form
    1,890,132.70/2,830,533.45 = 1,255,611.10/x
  3. Step 3: Cross multiply
    1,890,132.70x = 2,830,533.45 × 1,255,611.10
  4. Step 4: Simplify right side
    1,890,132.70x = 3,554,049,218,741.30
  5. Step 5: Solve for x
    x = 3,554,049,218,741.30/1,890,132.70
  6. Step 6: Final answer
    x = 1,880,317.30

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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.