Home / 3,001,640.16-4,142,309.04-1,643,639.52

Finding the Fourth Proportional to 3,001,640.16, 4,142,309.04 and 1,643,639.52

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Solution

The fourth proportional to 3,001,640.16, 4,142,309.04 and 1,643,639.52 is: 2,268,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001,640.16 : 4,142,309.04 = 1,643,639.52 : x
  2. Step 2: Convert to fraction form
    3,001,640.16/4,142,309.04 = 1,643,639.52/x
  3. Step 3: Cross multiply
    3,001,640.16x = 4,142,309.04 × 1,643,639.52
  4. Step 4: Simplify right side
    3,001,640.16x = 6,808,462,842,197.26
  5. Step 5: Solve for x
    x = 6,808,462,842,197.26/3,001,640.16
  6. Step 6: Final answer
    x = 2,268,247.52

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1.5x scale

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.