Home / 5,470,872.74-7,549,816.44-2,990,133.18

Finding the Fourth Proportional to 5,470,872.74, 7,549,816.44 and 2,990,133.18

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Solution

The fourth proportional to 5,470,872.74, 7,549,816.44 and 2,990,133.18 is: 4,126,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,872.74 : 7,549,816.44 = 2,990,133.18 : x
  2. Step 2: Convert to fraction form
    5,470,872.74/7,549,816.44 = 2,990,133.18/x
  3. Step 3: Cross multiply
    5,470,872.74x = 7,549,816.44 × 2,990,133.18
  4. Step 4: Simplify right side
    5,470,872.74x = 22,574,956,640,153.48
  5. Step 5: Solve for x
    x = 22,574,956,640,153.48/5,470,872.74
  6. Step 6: Final answer
    x = 4,126,390.38

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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.