Home / 1,980,640.80-2,968,336.80-1,754,942.40

Finding the Fourth Proportional to 1,980,640.80, 2,968,336.80 and 1,754,942.40

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Solution

The fourth proportional to 1,980,640.80, 2,968,336.80 and 1,754,942.40 is: 2,630,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,640.80 : 2,968,336.80 = 1,754,942.40 : x
  2. Step 2: Convert to fraction form
    1,980,640.80/2,968,336.80 = 1,754,942.40/x
  3. Step 3: Cross multiply
    1,980,640.80x = 2,968,336.80 × 1,754,942.40
  4. Step 4: Simplify right side
    1,980,640.80x = 5,209,260,107,800.32
  5. Step 5: Solve for x
    x = 5,209,260,107,800.32/1,980,640.80
  6. Step 6: Final answer
    x = 2,630,088.26

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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.