Home / 1,786,943.80-2,680,415.70-1,590,988.60

Finding the Fourth Proportional to 1,786,943.80, 2,680,415.70 and 1,590,988.60

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Solution

The fourth proportional to 1,786,943.80, 2,680,415.70 and 1,590,988.60 is: 2,386,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,943.80 : 2,680,415.70 = 1,590,988.60 : x
  2. Step 2: Convert to fraction form
    1,786,943.80/2,680,415.70 = 1,590,988.60/x
  3. Step 3: Cross multiply
    1,786,943.80x = 2,680,415.70 × 1,590,988.60
  4. Step 4: Simplify right side
    1,786,943.80x = 4,264,510,821,961.02
  5. Step 5: Solve for x
    x = 4,264,510,821,961.02/1,786,943.80
  6. Step 6: Final answer
    x = 2,386,482.90

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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.