Home / 1,871,860.43-2,583,167.64-1,012,420.68

Finding the Fourth Proportional to 1,871,860.43, 2,583,167.64 and 1,012,420.68

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Solution

The fourth proportional to 1,871,860.43, 2,583,167.64 and 1,012,420.68 is: 1,397,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,860.43 : 2,583,167.64 = 1,012,420.68 : x
  2. Step 2: Convert to fraction form
    1,871,860.43/2,583,167.64 = 1,012,420.68/x
  3. Step 3: Cross multiply
    1,871,860.43x = 2,583,167.64 × 1,012,420.68
  4. Step 4: Simplify right side
    1,871,860.43x = 2,615,252,338,642.80
  5. Step 5: Solve for x
    x = 2,615,252,338,642.80/1,871,860.43
  6. Step 6: Final answer
    x = 1,397,140.67

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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.