Home / 3,111,320.40-4,666,980.60-867,458.40

Finding the Fourth Proportional to 3,111,320.40, 4,666,980.60 and 867,458.40

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Solution

The fourth proportional to 3,111,320.40, 4,666,980.60 and 867,458.40 is: 1,301,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,320.40 : 4,666,980.60 = 867,458.40 : x
  2. Step 2: Convert to fraction form
    3,111,320.40/4,666,980.60 = 867,458.40/x
  3. Step 3: Cross multiply
    3,111,320.40x = 4,666,980.60 × 867,458.40
  4. Step 4: Simplify right side
    3,111,320.40x = 4,048,411,524,107.04
  5. Step 5: Solve for x
    x = 4,048,411,524,107.04/3,111,320.40
  6. Step 6: Final answer
    x = 1,301,187.60

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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.