Home / 2,140,127.21-3,210,303.69-542,704.11

Finding the Fourth Proportional to 2,140,127.21, 3,210,303.69 and 542,704.11

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Solution

The fourth proportional to 2,140,127.21, 3,210,303.69 and 542,704.11 is: 814,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,127.21 : 3,210,303.69 = 542,704.11 : x
  2. Step 2: Convert to fraction form
    2,140,127.21/3,210,303.69 = 542,704.11/x
  3. Step 3: Cross multiply
    2,140,127.21x = 3,210,303.69 × 542,704.11
  4. Step 4: Simplify right side
    2,140,127.21x = 1,742,245,006,911.17
  5. Step 5: Solve for x
    x = 1,742,245,006,911.17/2,140,127.21
  6. Step 6: Final answer
    x = 814,084.79

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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.