Home / 2,990,170.40-4,485,255.60-2,045,386.40

Finding the Fourth Proportional to 2,990,170.40, 4,485,255.60 and 2,045,386.40

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Solution

The fourth proportional to 2,990,170.40, 4,485,255.60 and 2,045,386.40 is: 3,068,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,170.40 : 4,485,255.60 = 2,045,386.40 : x
  2. Step 2: Convert to fraction form
    2,990,170.40/4,485,255.60 = 2,045,386.40/x
  3. Step 3: Cross multiply
    2,990,170.40x = 4,485,255.60 × 2,045,386.40
  4. Step 4: Simplify right side
    2,990,170.40x = 9,174,080,804,763.84
  5. Step 5: Solve for x
    x = 9,174,080,804,763.84/2,990,170.40
  6. Step 6: Final answer
    x = 3,068,079.60

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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.