Home / 3,147,695.40-4,710,656.70-1,886,428.20

Finding the Fourth Proportional to 3,147,695.40, 4,710,656.70 and 1,886,428.20

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Solution

The fourth proportional to 3,147,695.40, 4,710,656.70 and 1,886,428.20 is: 2,823,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,695.40 : 4,710,656.70 = 1,886,428.20 : x
  2. Step 2: Convert to fraction form
    3,147,695.40/4,710,656.70 = 1,886,428.20/x
  3. Step 3: Cross multiply
    3,147,695.40x = 4,710,656.70 × 1,886,428.20
  4. Step 4: Simplify right side
    3,147,695.40x = 8,886,315,639,398.94
  5. Step 5: Solve for x
    x = 8,886,315,639,398.94/3,147,695.40
  6. Step 6: Final answer
    x = 2,823,118.03

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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.