Home / 1,870,348-2,581,081.35-1,043,421.56

Finding the Fourth Proportional to 1,870,348, 2,581,081.35 and 1,043,421.56

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Solution

The fourth proportional to 1,870,348, 2,581,081.35 and 1,043,421.56 is: 1,439,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,348 : 2,581,081.35 = 1,043,421.56 : x
  2. Step 2: Convert to fraction form
    1,870,348/2,581,081.35 = 1,043,421.56/x
  3. Step 3: Cross multiply
    1,870,348x = 2,581,081.35 × 1,043,421.56
  4. Step 4: Simplify right side
    1,870,348x = 2,693,155,928,703.91
  5. Step 5: Solve for x
    x = 2,693,155,928,703.91/1,870,348
  6. Step 6: Final answer
    x = 1,439,922.37

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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.