Home / 4,879,990.90-7,318,586.67-1,887,475.06

Finding the Fourth Proportional to 4,879,990.90, 7,318,586.67 and 1,887,475.06

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Solution

The fourth proportional to 4,879,990.90, 7,318,586.67 and 1,887,475.06 is: 2,830,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,990.90 : 7,318,586.67 = 1,887,475.06 : x
  2. Step 2: Convert to fraction form
    4,879,990.90/7,318,586.67 = 1,887,475.06/x
  3. Step 3: Cross multiply
    4,879,990.90x = 7,318,586.67 × 1,887,475.06
  4. Step 4: Simplify right side
    4,879,990.90x = 13,813,649,814,073.45
  5. Step 5: Solve for x
    x = 13,813,649,814,073.45/4,879,990.90
  6. Step 6: Final answer
    x = 2,830,671.22

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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.