Home / 2,998,810.40-4,138,457.04-1,640,652.32

Finding the Fourth Proportional to 2,998,810.40, 4,138,457.04 and 1,640,652.32

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Solution

The fourth proportional to 2,998,810.40, 4,138,457.04 and 1,640,652.32 is: 2,264,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,810.40 : 4,138,457.04 = 1,640,652.32 : x
  2. Step 2: Convert to fraction form
    2,998,810.40/4,138,457.04 = 1,640,652.32/x
  3. Step 3: Cross multiply
    2,998,810.40x = 4,138,457.04 × 1,640,652.32
  4. Step 4: Simplify right side
    2,998,810.40x = 6,789,769,143,896.33
  5. Step 5: Solve for x
    x = 6,789,769,143,896.33/2,998,810.40
  6. Step 6: Final answer
    x = 2,264,154.19

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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.