Home / 2,648,031.80-3,972,047.70-1,386,246.20

Finding the Fourth Proportional to 2,648,031.80, 3,972,047.70 and 1,386,246.20

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Solution

The fourth proportional to 2,648,031.80, 3,972,047.70 and 1,386,246.20 is: 2,079,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,031.80 : 3,972,047.70 = 1,386,246.20 : x
  2. Step 2: Convert to fraction form
    2,648,031.80/3,972,047.70 = 1,386,246.20/x
  3. Step 3: Cross multiply
    2,648,031.80x = 3,972,047.70 × 1,386,246.20
  4. Step 4: Simplify right side
    2,648,031.80x = 5,506,236,030,343.74
  5. Step 5: Solve for x
    x = 5,506,236,030,343.74/2,648,031.80
  6. Step 6: Final answer
    x = 2,079,369.30

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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.