Home / 2,312,857.63-3,191,781.36-1,266,261.40

Finding the Fourth Proportional to 2,312,857.63, 3,191,781.36 and 1,266,261.40

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Solution

The fourth proportional to 2,312,857.63, 3,191,781.36 and 1,266,261.40 is: 1,747,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,857.63 : 3,191,781.36 = 1,266,261.40 : x
  2. Step 2: Convert to fraction form
    2,312,857.63/3,191,781.36 = 1,266,261.40/x
  3. Step 3: Cross multiply
    2,312,857.63x = 3,191,781.36 × 1,266,261.40
  4. Step 4: Simplify right side
    2,312,857.63x = 4,041,629,533,407.50
  5. Step 5: Solve for x
    x = 4,041,629,533,407.50/2,312,857.63
  6. Step 6: Final answer
    x = 1,747,461.44

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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.