Home / 4,678,981.20-7,018,471.80-3,137,802.30

Finding the Fourth Proportional to 4,678,981.20, 7,018,471.80 and 3,137,802.30

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Solution

The fourth proportional to 4,678,981.20, 7,018,471.80 and 3,137,802.30 is: 4,706,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,981.20 : 7,018,471.80 = 3,137,802.30 : x
  2. Step 2: Convert to fraction form
    4,678,981.20/7,018,471.80 = 3,137,802.30/x
  3. Step 3: Cross multiply
    4,678,981.20x = 7,018,471.80 × 3,137,802.30
  4. Step 4: Simplify right side
    4,678,981.20x = 22,022,576,956,525.14
  5. Step 5: Solve for x
    x = 22,022,576,956,525.14/4,678,981.20
  6. Step 6: Final answer
    x = 4,706,703.45

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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.