Home / 5,448,501.45-7,518,931.98-3,157,990.74

Finding the Fourth Proportional to 5,448,501.45, 7,518,931.98 and 3,157,990.74

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Solution

The fourth proportional to 5,448,501.45, 7,518,931.98 and 3,157,990.74 is: 4,358,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,501.45 : 7,518,931.98 = 3,157,990.74 : x
  2. Step 2: Convert to fraction form
    5,448,501.45/7,518,931.98 = 3,157,990.74/x
  3. Step 3: Cross multiply
    5,448,501.45x = 7,518,931.98 × 3,157,990.74
  4. Step 4: Simplify right side
    5,448,501.45x = 23,744,717,567,529.87
  5. Step 5: Solve for x
    x = 23,744,717,567,529.87/5,448,501.45
  6. Step 6: Final answer
    x = 4,358,027.21

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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.