Home / 1,946,656.40-2,685,995.69-1,087,084.40

Finding the Fourth Proportional to 1,946,656.40, 2,685,995.69 and 1,087,084.40

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Solution

The fourth proportional to 1,946,656.40, 2,685,995.69 and 1,087,084.40 is: 1,499,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,656.40 : 2,685,995.69 = 1,087,084.40 : x
  2. Step 2: Convert to fraction form
    1,946,656.40/2,685,995.69 = 1,087,084.40/x
  3. Step 3: Cross multiply
    1,946,656.40x = 2,685,995.69 × 1,087,084.40
  4. Step 4: Simplify right side
    1,946,656.40x = 2,919,903,994,200.84
  5. Step 5: Solve for x
    x = 2,919,903,994,200.84/1,946,656.40
  6. Step 6: Final answer
    x = 1,499,958.60

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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.