Home / 3,000,172.30-4,140,248.69-1,623,515.86

Finding the Fourth Proportional to 3,000,172.30, 4,140,248.69 and 1,623,515.86

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Solution

The fourth proportional to 3,000,172.30, 4,140,248.69 and 1,623,515.86 is: 2,240,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,172.30 : 4,140,248.69 = 1,623,515.86 : x
  2. Step 2: Convert to fraction form
    3,000,172.30/4,140,248.69 = 1,623,515.86/x
  3. Step 3: Cross multiply
    3,000,172.30x = 4,140,248.69 × 1,623,515.86
  4. Step 4: Simplify right side
    3,000,172.30x = 6,721,759,412,559.22
  5. Step 5: Solve for x
    x = 6,721,759,412,559.22/3,000,172.30
  6. Step 6: Final answer
    x = 2,240,457.79

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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.