Home / 2,640,175.81-3,642,818.14-1,494,256.12

Finding the Fourth Proportional to 2,640,175.81, 3,642,818.14 and 1,494,256.12

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Solution

The fourth proportional to 2,640,175.81, 3,642,818.14 and 1,494,256.12 is: 2,061,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,175.81 : 3,642,818.14 = 1,494,256.12 : x
  2. Step 2: Convert to fraction form
    2,640,175.81/3,642,818.14 = 1,494,256.12/x
  3. Step 3: Cross multiply
    2,640,175.81x = 3,642,818.14 × 1,494,256.12
  4. Step 4: Simplify right side
    2,640,175.81x = 5,443,303,299,742.02
  5. Step 5: Solve for x
    x = 5,443,303,299,742.02/2,640,175.81
  6. Step 6: Final answer
    x = 2,061,720.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.