Home / 2,931,420.16-4,044,441.60-1,642,086.40

Finding the Fourth Proportional to 2,931,420.16, 4,044,441.60 and 1,642,086.40

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Solution

The fourth proportional to 2,931,420.16, 4,044,441.60 and 1,642,086.40 is: 2,265,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,420.16 : 4,044,441.60 = 1,642,086.40 : x
  2. Step 2: Convert to fraction form
    2,931,420.16/4,044,441.60 = 1,642,086.40/x
  3. Step 3: Cross multiply
    2,931,420.16x = 4,044,441.60 × 1,642,086.40
  4. Step 4: Simplify right side
    2,931,420.16x = 6,641,322,546,954.24
  5. Step 5: Solve for x
    x = 6,641,322,546,954.24/2,931,420.16
  6. Step 6: Final answer
    x = 2,265,564.87

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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.