Home / 2,818,395.72-3,890,394.72-1,672,475.76

Finding the Fourth Proportional to 2,818,395.72, 3,890,394.72 and 1,672,475.76

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Solution

The fourth proportional to 2,818,395.72, 3,890,394.72 and 1,672,475.76 is: 2,308,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,395.72 : 3,890,394.72 = 1,672,475.76 : x
  2. Step 2: Convert to fraction form
    2,818,395.72/3,890,394.72 = 1,672,475.76/x
  3. Step 3: Cross multiply
    2,818,395.72x = 3,890,394.72 × 1,672,475.76
  4. Step 4: Simplify right side
    2,818,395.72x = 6,506,590,866,031.99
  5. Step 5: Solve for x
    x = 6,506,590,866,031.99/2,818,395.72
  6. Step 6: Final answer
    x = 2,308,615.08

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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.