Home / 2,476,520.16-3,417,636.96-1,389,033.60

Finding the Fourth Proportional to 2,476,520.16, 3,417,636.96 and 1,389,033.60

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Solution

The fourth proportional to 2,476,520.16, 3,417,636.96 and 1,389,033.60 is: 1,916,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476,520.16 : 3,417,636.96 = 1,389,033.60 : x
  2. Step 2: Convert to fraction form
    2,476,520.16/3,417,636.96 = 1,389,033.60/x
  3. Step 3: Cross multiply
    2,476,520.16x = 3,417,636.96 × 1,389,033.60
  4. Step 4: Simplify right side
    2,476,520.16x = 4,747,212,570,041.86
  5. Step 5: Solve for x
    x = 4,747,212,570,041.86/2,476,520.16
  6. Step 6: Final answer
    x = 1,916,888.32

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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.