Home / 3,136,804.20-4,705,206.30-1,873,981.80

Finding the Fourth Proportional to 3,136,804.20, 4,705,206.30 and 1,873,981.80

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Solution

The fourth proportional to 3,136,804.20, 4,705,206.30 and 1,873,981.80 is: 2,810,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,804.20 : 4,705,206.30 = 1,873,981.80 : x
  2. Step 2: Convert to fraction form
    3,136,804.20/4,705,206.30 = 1,873,981.80/x
  3. Step 3: Cross multiply
    3,136,804.20x = 4,705,206.30 × 1,873,981.80
  4. Step 4: Simplify right side
    3,136,804.20x = 8,817,470,971,445.34
  5. Step 5: Solve for x
    x = 8,817,470,971,445.34/3,136,804.20
  6. Step 6: Final answer
    x = 2,810,972.70

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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.