Home / 1,918,677.96-2,648,122.20-1,144,358.46

Finding the Fourth Proportional to 1,918,677.96, 2,648,122.20 and 1,144,358.46

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Solution

The fourth proportional to 1,918,677.96, 2,648,122.20 and 1,144,358.46 is: 1,579,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,677.96 : 2,648,122.20 = 1,144,358.46 : x
  2. Step 2: Convert to fraction form
    1,918,677.96/2,648,122.20 = 1,144,358.46/x
  3. Step 3: Cross multiply
    1,918,677.96x = 2,648,122.20 × 1,144,358.46
  4. Step 4: Simplify right side
    1,918,677.96x = 3,030,401,042,683.81
  5. Step 5: Solve for x
    x = 3,030,401,042,683.81/1,918,677.96
  6. Step 6: Final answer
    x = 1,579,421.41

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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.