Home / 3,011,177.10-4,155,311.73-1,634,491.20

Finding the Fourth Proportional to 3,011,177.10, 4,155,311.73 and 1,634,491.20

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Solution

The fourth proportional to 3,011,177.10, 4,155,311.73 and 1,634,491.20 is: 2,255,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,177.10 : 4,155,311.73 = 1,634,491.20 : x
  2. Step 2: Convert to fraction form
    3,011,177.10/4,155,311.73 = 1,634,491.20/x
  3. Step 3: Cross multiply
    3,011,177.10x = 4,155,311.73 × 1,634,491.20
  4. Step 4: Simplify right side
    3,011,177.10x = 6,791,820,455,941.78
  5. Step 5: Solve for x
    x = 6,791,820,455,941.78/3,011,177.10
  6. Step 6: Final answer
    x = 2,255,536.70

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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.