Home / 3,119,657.04-4,679,651.76-989,907.84

Finding the Fourth Proportional to 3,119,657.04, 4,679,651.76 and 989,907.84

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Solution

The fourth proportional to 3,119,657.04, 4,679,651.76 and 989,907.84 is: 1,484,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,657.04 : 4,679,651.76 = 989,907.84 : x
  2. Step 2: Convert to fraction form
    3,119,657.04/4,679,651.76 = 989,907.84/x
  3. Step 3: Cross multiply
    3,119,657.04x = 4,679,651.76 × 989,907.84
  4. Step 4: Simplify right side
    3,119,657.04x = 4,632,423,965,693.80
  5. Step 5: Solve for x
    x = 4,632,423,965,693.80/3,119,657.04
  6. Step 6: Final answer
    x = 1,484,914.50

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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.