Home / 5,428,256.85-7,490,464.23-3,136,368.33

Finding the Fourth Proportional to 5,428,256.85, 7,490,464.23 and 3,136,368.33

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Solution

The fourth proportional to 5,428,256.85, 7,490,464.23 and 3,136,368.33 is: 4,327,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,256.85 : 7,490,464.23 = 3,136,368.33 : x
  2. Step 2: Convert to fraction form
    5,428,256.85/7,490,464.23 = 3,136,368.33/x
  3. Step 3: Cross multiply
    5,428,256.85x = 7,490,464.23 × 3,136,368.33
  4. Step 4: Simplify right side
    5,428,256.85x = 23,492,854,787,969.84
  5. Step 5: Solve for x
    x = 23,492,854,787,969.84/5,428,256.85
  6. Step 6: Final answer
    x = 4,327,881.94

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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.