Home / 2,211,206.80-3,316,810.20-715,298.80

Finding the Fourth Proportional to 2,211,206.80, 3,316,810.20 and 715,298.80

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Solution

The fourth proportional to 2,211,206.80, 3,316,810.20 and 715,298.80 is: 1,072,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,206.80 : 3,316,810.20 = 715,298.80 : x
  2. Step 2: Convert to fraction form
    2,211,206.80/3,316,810.20 = 715,298.80/x
  3. Step 3: Cross multiply
    2,211,206.80x = 3,316,810.20 × 715,298.80
  4. Step 4: Simplify right side
    2,211,206.80x = 2,372,510,355,887.76
  5. Step 5: Solve for x
    x = 2,372,510,355,887.76/2,211,206.80
  6. Step 6: Final answer
    x = 1,072,948.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.