Home / 3,140,643.20-4,710,964.80-2,064,475.18

Finding the Fourth Proportional to 3,140,643.20, 4,710,964.80 and 2,064,475.18

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Solution

The fourth proportional to 3,140,643.20, 4,710,964.80 and 2,064,475.18 is: 3,096,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,643.20 : 4,710,964.80 = 2,064,475.18 : x
  2. Step 2: Convert to fraction form
    3,140,643.20/4,710,964.80 = 2,064,475.18/x
  3. Step 3: Cross multiply
    3,140,643.20x = 4,710,964.80 × 2,064,475.18
  4. Step 4: Simplify right side
    3,140,643.20x = 9,725,669,879,898.84
  5. Step 5: Solve for x
    x = 9,725,669,879,898.84/3,140,643.20
  6. Step 6: Final answer
    x = 3,096,712.76

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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.