Home / 2,316,117.78-3,196,242.84-1,283,692.22

Finding the Fourth Proportional to 2,316,117.78, 3,196,242.84 and 1,283,692.22

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Solution

The fourth proportional to 2,316,117.78, 3,196,242.84 and 1,283,692.22 is: 1,771,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,117.78 : 3,196,242.84 = 1,283,692.22 : x
  2. Step 2: Convert to fraction form
    2,316,117.78/3,196,242.84 = 1,283,692.22/x
  3. Step 3: Cross multiply
    2,316,117.78x = 3,196,242.84 × 1,283,692.22
  4. Step 4: Simplify right side
    2,316,117.78x = 4,102,992,066,938.70
  5. Step 5: Solve for x
    x = 4,102,992,066,938.70/2,316,117.78
  6. Step 6: Final answer
    x = 1,771,495.43

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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.