Home / 4,865,990.70-6,714,795.80-2,690,403.18

Finding the Fourth Proportional to 4,865,990.70, 6,714,795.80 and 2,690,403.18

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Solution

The fourth proportional to 4,865,990.70, 6,714,795.80 and 2,690,403.18 is: 3,712,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865,990.70 : 6,714,795.80 = 2,690,403.18 : x
  2. Step 2: Convert to fraction form
    4,865,990.70/6,714,795.80 = 2,690,403.18/x
  3. Step 3: Cross multiply
    4,865,990.70x = 6,714,795.80 × 2,690,403.18
  4. Step 4: Simplify right side
    4,865,990.70x = 18,065,507,973,370.64
  5. Step 5: Solve for x
    x = 18,065,507,973,370.64/4,865,990.70
  6. Step 6: Final answer
    x = 3,712,606.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.