Home / 2,014,875.40-3,019,688.70-815,816.20

Finding the Fourth Proportional to 2,014,875.40, 3,019,688.70 and 815,816.20

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Solution

The fourth proportional to 2,014,875.40, 3,019,688.70 and 815,816.20 is: 1,222,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,875.40 : 3,019,688.70 = 815,816.20 : x
  2. Step 2: Convert to fraction form
    2,014,875.40/3,019,688.70 = 815,816.20/x
  3. Step 3: Cross multiply
    2,014,875.40x = 3,019,688.70 × 815,816.20
  4. Step 4: Simplify right side
    2,014,875.40x = 2,463,510,960,416.94
  5. Step 5: Solve for x
    x = 2,463,510,960,416.94/2,014,875.40
  6. Step 6: Final answer
    x = 1,222,661.69

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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.