Home / 5,477,999.40-8,216,999.10-2,637,426.60

Finding the Fourth Proportional to 5,477,999.40, 8,216,999.10 and 2,637,426.60

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Solution

The fourth proportional to 5,477,999.40, 8,216,999.10 and 2,637,426.60 is: 3,956,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,999.40 : 8,216,999.10 = 2,637,426.60 : x
  2. Step 2: Convert to fraction form
    5,477,999.40/8,216,999.10 = 2,637,426.60/x
  3. Step 3: Cross multiply
    5,477,999.40x = 8,216,999.10 × 2,637,426.60
  4. Step 4: Simplify right side
    5,477,999.40x = 21,671,731,998,516.06
  5. Step 5: Solve for x
    x = 21,671,731,998,516.06/5,477,999.40
  6. Step 6: Final answer
    x = 3,956,139.90

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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.