Home / 2,590,543.40-3,885,815.10-1,645,759.40

Finding the Fourth Proportional to 2,590,543.40, 3,885,815.10 and 1,645,759.40

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Solution

The fourth proportional to 2,590,543.40, 3,885,815.10 and 1,645,759.40 is: 2,468,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,543.40 : 3,885,815.10 = 1,645,759.40 : x
  2. Step 2: Convert to fraction form
    2,590,543.40/3,885,815.10 = 1,645,759.40/x
  3. Step 3: Cross multiply
    2,590,543.40x = 3,885,815.10 × 1,645,759.40
  4. Step 4: Simplify right side
    2,590,543.40x = 6,395,116,727,486.94
  5. Step 5: Solve for x
    x = 6,395,116,727,486.94/2,590,543.40
  6. Step 6: Final answer
    x = 2,468,639.10

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Similar ratio
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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.