Home / 3,119,459.67-4,304,775.03-1,742,813.72

Finding the Fourth Proportional to 3,119,459.67, 4,304,775.03 and 1,742,813.72

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Solution

The fourth proportional to 3,119,459.67, 4,304,775.03 and 1,742,813.72 is: 2,405,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,459.67 : 4,304,775.03 = 1,742,813.72 : x
  2. Step 2: Convert to fraction form
    3,119,459.67/4,304,775.03 = 1,742,813.72/x
  3. Step 3: Cross multiply
    3,119,459.67x = 4,304,775.03 × 1,742,813.72
  4. Step 4: Simplify right side
    3,119,459.67x = 7,502,420,984,194.97
  5. Step 5: Solve for x
    x = 7,502,420,984,194.97/3,119,459.67
  6. Step 6: Final answer
    x = 2,405,038.62

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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.