Home / 5,178,320.84-7,762,092.24-2,900,505.80

Finding the Fourth Proportional to 5,178,320.84, 7,762,092.24 and 2,900,505.80

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Solution

The fourth proportional to 5,178,320.84, 7,762,092.24 and 2,900,505.80 is: 4,347,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,320.84 : 7,762,092.24 = 2,900,505.80 : x
  2. Step 2: Convert to fraction form
    5,178,320.84/7,762,092.24 = 2,900,505.80/x
  3. Step 3: Cross multiply
    5,178,320.84x = 7,762,092.24 × 2,900,505.80
  4. Step 4: Simplify right side
    5,178,320.84x = 22,513,993,562,254.99
  5. Step 5: Solve for x
    x = 22,513,993,562,254.99/5,178,320.84
  6. Step 6: Final answer
    x = 4,347,740.18

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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.