Home / 1,968,219.40-2,952,329.10-1,070,091.40

Finding the Fourth Proportional to 1,968,219.40, 2,952,329.10 and 1,070,091.40

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Solution

The fourth proportional to 1,968,219.40, 2,952,329.10 and 1,070,091.40 is: 1,605,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,219.40 : 2,952,329.10 = 1,070,091.40 : x
  2. Step 2: Convert to fraction form
    1,968,219.40/2,952,329.10 = 1,070,091.40/x
  3. Step 3: Cross multiply
    1,968,219.40x = 2,952,329.10 × 1,070,091.40
  4. Step 4: Simplify right side
    1,968,219.40x = 3,159,261,979,879.74
  5. Step 5: Solve for x
    x = 3,159,261,979,879.74/1,968,219.40
  6. Step 6: Final answer
    x = 1,605,137.10

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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.