Home / 1,622,434.23-2,239,240.18-977,855.16

Finding the Fourth Proportional to 1,622,434.23, 2,239,240.18 and 977,855.16

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Solution

The fourth proportional to 1,622,434.23, 2,239,240.18 and 977,855.16 is: 1,349,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,434.23 : 2,239,240.18 = 977,855.16 : x
  2. Step 2: Convert to fraction form
    1,622,434.23/2,239,240.18 = 977,855.16/x
  3. Step 3: Cross multiply
    1,622,434.23x = 2,239,240.18 × 977,855.16
  4. Step 4: Simplify right side
    1,622,434.23x = 2,189,652,564,605.40
  5. Step 5: Solve for x
    x = 2,189,652,564,605.40/1,622,434.23
  6. Step 6: Final answer
    x = 1,349,609.45

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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.