Home / 3,119,461.30-4,304,777.28-1,742,815.35

Finding the Fourth Proportional to 3,119,461.30, 4,304,777.28 and 1,742,815.35

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Solution

The fourth proportional to 3,119,461.30, 4,304,777.28 and 1,742,815.35 is: 2,405,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,461.30 : 4,304,777.28 = 1,742,815.35 : x
  2. Step 2: Convert to fraction form
    3,119,461.30/4,304,777.28 = 1,742,815.35/x
  3. Step 3: Cross multiply
    3,119,461.30x = 4,304,777.28 × 1,742,815.35
  4. Step 4: Simplify right side
    3,119,461.30x = 7,502,431,900,391.36
  5. Step 5: Solve for x
    x = 7,502,431,900,391.36/3,119,461.30
  6. Step 6: Final answer
    x = 2,405,040.87

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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.