Home / 4,159,430.40-6,243,811.20-3,216,979.20

Finding the Fourth Proportional to 4,159,430.40, 6,243,811.20 and 3,216,979.20

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Solution

The fourth proportional to 4,159,430.40, 6,243,811.20 and 3,216,979.20 is: 4,829,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159,430.40 : 6,243,811.20 = 3,216,979.20 : x
  2. Step 2: Convert to fraction form
    4,159,430.40/6,243,811.20 = 3,216,979.20/x
  3. Step 3: Cross multiply
    4,159,430.40x = 6,243,811.20 × 3,216,979.20
  4. Step 4: Simplify right side
    4,159,430.40x = 20,086,210,759,127.04
  5. Step 5: Solve for x
    x = 20,086,210,759,127.04/4,159,430.40
  6. Step 6: Final answer
    x = 4,829,077.26

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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.