Home / 1,946,720.10-2,920,080.15-1,149,558.60

Finding the Fourth Proportional to 1,946,720.10, 2,920,080.15 and 1,149,558.60

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Solution

The fourth proportional to 1,946,720.10, 2,920,080.15 and 1,149,558.60 is: 1,724,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,720.10 : 2,920,080.15 = 1,149,558.60 : x
  2. Step 2: Convert to fraction form
    1,946,720.10/2,920,080.15 = 1,149,558.60/x
  3. Step 3: Cross multiply
    1,946,720.10x = 2,920,080.15 × 1,149,558.60
  4. Step 4: Simplify right side
    1,946,720.10x = 3,356,803,249,121.79
  5. Step 5: Solve for x
    x = 3,356,803,249,121.79/1,946,720.10
  6. Step 6: Final answer
    x = 1,724,337.90

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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.