Home / 2,590,450.40-3,885,675.60-1,645,666.40

Finding the Fourth Proportional to 2,590,450.40, 3,885,675.60 and 1,645,666.40

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Solution

The fourth proportional to 2,590,450.40, 3,885,675.60 and 1,645,666.40 is: 2,468,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,450.40 : 3,885,675.60 = 1,645,666.40 : x
  2. Step 2: Convert to fraction form
    2,590,450.40/3,885,675.60 = 1,645,666.40/x
  3. Step 3: Cross multiply
    2,590,450.40x = 3,885,675.60 × 1,645,666.40
  4. Step 4: Simplify right side
    2,590,450.40x = 6,394,525,776,219.84
  5. Step 5: Solve for x
    x = 6,394,525,776,219.84/2,590,450.40
  6. Step 6: Final answer
    x = 2,468,499.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.