Home / 1,461,980.48-2,016,921.87-1,139,130.08

Finding the Fourth Proportional to 1,461,980.48, 2,016,921.87 and 1,139,130.08

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Solution

The fourth proportional to 1,461,980.48, 2,016,921.87 and 1,139,130.08 is: 1,571,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,980.48 : 2,016,921.87 = 1,139,130.08 : x
  2. Step 2: Convert to fraction form
    1,461,980.48/2,016,921.87 = 1,139,130.08/x
  3. Step 3: Cross multiply
    1,461,980.48x = 2,016,921.87 × 1,139,130.08
  4. Step 4: Simplify right side
    1,461,980.48x = 2,297,536,371,126.85
  5. Step 5: Solve for x
    x = 2,297,536,371,126.85/1,461,980.48
  6. Step 6: Final answer
    x = 1,571,523.29

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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.