Home / 2,688,762.64-4,033,742.04-1,172,690.80

Finding the Fourth Proportional to 2,688,762.64, 4,033,742.04 and 1,172,690.80

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Solution

The fourth proportional to 2,688,762.64, 4,033,742.04 and 1,172,690.80 is: 1,759,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,762.64 : 4,033,742.04 = 1,172,690.80 : x
  2. Step 2: Convert to fraction form
    2,688,762.64/4,033,742.04 = 1,172,690.80/x
  3. Step 3: Cross multiply
    2,688,762.64x = 4,033,742.04 × 1,172,690.80
  4. Step 4: Simplify right side
    2,688,762.64x = 4,730,332,179,881.23
  5. Step 5: Solve for x
    x = 4,730,332,179,881.23/2,688,762.64
  6. Step 6: Final answer
    x = 1,759,297.05

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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.