Home / 3,426,429.02-5,139,655.08-867,642.74

Finding the Fourth Proportional to 3,426,429.02, 5,139,655.08 and 867,642.74

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Solution

The fourth proportional to 3,426,429.02, 5,139,655.08 and 867,642.74 is: 1,301,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,429.02 : 5,139,655.08 = 867,642.74 : x
  2. Step 2: Convert to fraction form
    3,426,429.02/5,139,655.08 = 867,642.74/x
  3. Step 3: Cross multiply
    3,426,429.02x = 5,139,655.08 × 867,642.74
  4. Step 4: Simplify right side
    3,426,429.02x = 4,459,384,416,266.12
  5. Step 5: Solve for x
    x = 4,459,384,416,266.12/3,426,429.02
  6. Step 6: Final answer
    x = 1,301,467.03

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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.