Home / 2,113,000.28-2,915,923.14-1,146,128.12

Finding the Fourth Proportional to 2,113,000.28, 2,915,923.14 and 1,146,128.12

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Solution

The fourth proportional to 2,113,000.28, 2,915,923.14 and 1,146,128.12 is: 1,581,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,000.28 : 2,915,923.14 = 1,146,128.12 : x
  2. Step 2: Convert to fraction form
    2,113,000.28/2,915,923.14 = 1,146,128.12/x
  3. Step 3: Cross multiply
    2,113,000.28x = 2,915,923.14 × 1,146,128.12
  4. Step 4: Simplify right side
    2,113,000.28x = 3,342,021,506,512.70
  5. Step 5: Solve for x
    x = 3,342,021,506,512.70/2,113,000.28
  6. Step 6: Final answer
    x = 1,581,647.45

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1.5x scale

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.