Home / 1,870,832.70-2,802,312.45-1,555,904.70

Finding the Fourth Proportional to 1,870,832.70, 2,802,312.45 and 1,555,904.70

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Solution

The fourth proportional to 1,870,832.70, 2,802,312.45 and 1,555,904.70 is: 2,330,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,832.70 : 2,802,312.45 = 1,555,904.70 : x
  2. Step 2: Convert to fraction form
    1,870,832.70/2,802,312.45 = 1,555,904.70/x
  3. Step 3: Cross multiply
    1,870,832.70x = 2,802,312.45 × 1,555,904.70
  4. Step 4: Simplify right side
    1,870,832.70x = 4,360,131,111,823.52
  5. Step 5: Solve for x
    x = 4,360,131,111,823.52/1,870,832.70
  6. Step 6: Final answer
    x = 2,330,583.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.