Home / 3,426,427.02-5,139,652.08-867,640.74

Finding the Fourth Proportional to 3,426,427.02, 5,139,652.08 and 867,640.74

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Solution

The fourth proportional to 3,426,427.02, 5,139,652.08 and 867,640.74 is: 1,301,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,427.02 : 5,139,652.08 = 867,640.74 : x
  2. Step 2: Convert to fraction form
    3,426,427.02/5,139,652.08 = 867,640.74/x
  3. Step 3: Cross multiply
    3,426,427.02x = 5,139,652.08 × 867,640.74
  4. Step 4: Simplify right side
    3,426,427.02x = 4,459,371,534,033.74
  5. Step 5: Solve for x
    x = 4,459,371,534,033.74/3,426,427.02
  6. Step 6: Final answer
    x = 1,301,464.03

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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.