Home / 2,088,011.20-3,132,016.80-1,424,459.20

Finding the Fourth Proportional to 2,088,011.20, 3,132,016.80 and 1,424,459.20

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Solution

The fourth proportional to 2,088,011.20, 3,132,016.80 and 1,424,459.20 is: 2,136,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,011.20 : 3,132,016.80 = 1,424,459.20 : x
  2. Step 2: Convert to fraction form
    2,088,011.20/3,132,016.80 = 1,424,459.20/x
  3. Step 3: Cross multiply
    2,088,011.20x = 3,132,016.80 × 1,424,459.20
  4. Step 4: Simplify right side
    2,088,011.20x = 4,461,430,145,314.56
  5. Step 5: Solve for x
    x = 4,461,430,145,314.56/2,088,011.20
  6. Step 6: Final answer
    x = 2,136,688.80

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1.5x scale

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.