Home / 3,624,386.40-5,440,726.80-2,129,320.80

Finding the Fourth Proportional to 3,624,386.40, 5,440,726.80 and 2,129,320.80

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Solution

The fourth proportional to 3,624,386.40, 5,440,726.80 and 2,129,320.80 is: 3,196,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624,386.40 : 5,440,726.80 = 2,129,320.80 : x
  2. Step 2: Convert to fraction form
    3,624,386.40/5,440,726.80 = 2,129,320.80/x
  3. Step 3: Cross multiply
    3,624,386.40x = 5,440,726.80 × 2,129,320.80
  4. Step 4: Simplify right side
    3,624,386.40x = 11,585,052,742,357.44
  5. Step 5: Solve for x
    x = 11,585,052,742,357.44/3,624,386.40
  6. Step 6: Final answer
    x = 3,196,417.67

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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.