Home / 5,388,628.40-8,064,280.20-4,940,730.80

Finding the Fourth Proportional to 5,388,628.40, 8,064,280.20 and 4,940,730.80

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Solution

The fourth proportional to 5,388,628.40, 8,064,280.20 and 4,940,730.80 is: 7,393,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,628.40 : 8,064,280.20 = 4,940,730.80 : x
  2. Step 2: Convert to fraction form
    5,388,628.40/8,064,280.20 = 4,940,730.80/x
  3. Step 3: Cross multiply
    5,388,628.40x = 8,064,280.20 × 4,940,730.80
  4. Step 4: Simplify right side
    5,388,628.40x = 39,843,437,563,970.16
  5. Step 5: Solve for x
    x = 39,843,437,563,970.16/5,388,628.40
  6. Step 6: Final answer
    x = 7,393,985.00

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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.