Home / 2,155,377.42-2,973,307.64-1,339,271.03

Finding the Fourth Proportional to 2,155,377.42, 2,973,307.64 and 1,339,271.03

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Solution

The fourth proportional to 2,155,377.42, 2,973,307.64 and 1,339,271.03 is: 1,847,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,377.42 : 2,973,307.64 = 1,339,271.03 : x
  2. Step 2: Convert to fraction form
    2,155,377.42/2,973,307.64 = 1,339,271.03/x
  3. Step 3: Cross multiply
    2,155,377.42x = 2,973,307.64 × 1,339,271.03
  4. Step 4: Simplify right side
    2,155,377.42x = 3,982,064,786,266.58
  5. Step 5: Solve for x
    x = 3,982,064,786,266.58/2,155,377.42
  6. Step 6: Final answer
    x = 1,847,502.32

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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.