Home / 1,870,445.54-2,581,213.30-1,011,005.80

Finding the Fourth Proportional to 1,870,445.54, 2,581,213.30 and 1,011,005.80

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Solution

The fourth proportional to 1,870,445.54, 2,581,213.30 and 1,011,005.80 is: 1,395,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,445.54 : 2,581,213.30 = 1,011,005.80 : x
  2. Step 2: Convert to fraction form
    1,870,445.54/2,581,213.30 = 1,011,005.80/x
  3. Step 3: Cross multiply
    1,870,445.54x = 2,581,213.30 × 1,011,005.80
  4. Step 4: Simplify right side
    1,870,445.54x = 2,609,621,617,337.14
  5. Step 5: Solve for x
    x = 2,609,621,617,337.14/1,870,445.54
  6. Step 6: Final answer
    x = 1,395,187.17

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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.