Home / 2,828,988.23-3,903,895.26-1,605,220.77

Finding the Fourth Proportional to 2,828,988.23, 3,903,895.26 and 1,605,220.77

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Solution

The fourth proportional to 2,828,988.23, 3,903,895.26 and 1,605,220.77 is: 2,215,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,988.23 : 3,903,895.26 = 1,605,220.77 : x
  2. Step 2: Convert to fraction form
    2,828,988.23/3,903,895.26 = 1,605,220.77/x
  3. Step 3: Cross multiply
    2,828,988.23x = 3,903,895.26 × 1,605,220.77
  4. Step 4: Simplify right side
    2,828,988.23x = 6,266,613,756,018.20
  5. Step 5: Solve for x
    x = 6,266,613,756,018.20/2,828,988.23
  6. Step 6: Final answer
    x = 2,215,143.10

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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.