Home / 1,581,977.12-2,183,117.44-856,808.32

Finding the Fourth Proportional to 1,581,977.12, 2,183,117.44 and 856,808.32

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Solution

The fourth proportional to 1,581,977.12, 2,183,117.44 and 856,808.32 is: 1,182,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,977.12 : 2,183,117.44 = 856,808.32 : x
  2. Step 2: Convert to fraction form
    1,581,977.12/2,183,117.44 = 856,808.32/x
  3. Step 3: Cross multiply
    1,581,977.12x = 2,183,117.44 × 856,808.32
  4. Step 4: Simplify right side
    1,581,977.12x = 1,870,513,186,129.10
  5. Step 5: Solve for x
    x = 1,870,513,186,129.10/1,581,977.12
  6. Step 6: Final answer
    x = 1,182,389.53

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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.