Home / 1,811,656.13-2,500,085.45-1,047,758.90

Finding the Fourth Proportional to 1,811,656.13, 2,500,085.45 and 1,047,758.90

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Solution

The fourth proportional to 1,811,656.13, 2,500,085.45 and 1,047,758.90 is: 1,445,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,656.13 : 2,500,085.45 = 1,047,758.90 : x
  2. Step 2: Convert to fraction form
    1,811,656.13/2,500,085.45 = 1,047,758.90/x
  3. Step 3: Cross multiply
    1,811,656.13x = 2,500,085.45 × 1,047,758.90
  4. Step 4: Simplify right side
    1,811,656.13x = 2,619,486,771,116.98
  5. Step 5: Solve for x
    x = 2,619,486,771,116.98/1,811,656.13
  6. Step 6: Final answer
    x = 1,445,907.28

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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.