Home / 4,980,334.80-7,470,502.20-2,819,141.40

Finding the Fourth Proportional to 4,980,334.80, 7,470,502.20 and 2,819,141.40

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Solution

The fourth proportional to 4,980,334.80, 7,470,502.20 and 2,819,141.40 is: 4,228,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980,334.80 : 7,470,502.20 = 2,819,141.40 : x
  2. Step 2: Convert to fraction form
    4,980,334.80/7,470,502.20 = 2,819,141.40/x
  3. Step 3: Cross multiply
    4,980,334.80x = 7,470,502.20 × 2,819,141.40
  4. Step 4: Simplify right side
    4,980,334.80x = 21,060,402,030,811.08
  5. Step 5: Solve for x
    x = 21,060,402,030,811.08/4,980,334.80
  6. Step 6: Final answer
    x = 4,228,712.10

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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.