Home / 3,003,321.60-4,144,636.80-1,645,106.40

Finding the Fourth Proportional to 3,003,321.60, 4,144,636.80 and 1,645,106.40

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Solution

The fourth proportional to 3,003,321.60, 4,144,636.80 and 1,645,106.40 is: 2,270,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,321.60 : 4,144,636.80 = 1,645,106.40 : x
  2. Step 2: Convert to fraction form
    3,003,321.60/4,144,636.80 = 1,645,106.40/x
  3. Step 3: Cross multiply
    3,003,321.60x = 4,144,636.80 × 1,645,106.40
  4. Step 4: Simplify right side
    3,003,321.60x = 6,818,368,525,355.52
  5. Step 5: Solve for x
    x = 6,818,368,525,355.52/3,003,321.60
  6. Step 6: Final answer
    x = 2,270,275.86

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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.