Home / 4,666,670.70-6,998,839.65-1,787,412.30

Finding the Fourth Proportional to 4,666,670.70, 6,998,839.65 and 1,787,412.30

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Solution

The fourth proportional to 4,666,670.70, 6,998,839.65 and 1,787,412.30 is: 2,680,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666,670.70 : 6,998,839.65 = 1,787,412.30 : x
  2. Step 2: Convert to fraction form
    4,666,670.70/6,998,839.65 = 1,787,412.30/x
  3. Step 3: Cross multiply
    4,666,670.70x = 6,998,839.65 × 1,787,412.30
  4. Step 4: Simplify right side
    4,666,670.70x = 12,509,812,076,137.70
  5. Step 5: Solve for x
    x = 12,509,812,076,137.70/4,666,670.70
  6. Step 6: Final answer
    x = 2,680,671.70

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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.