Home / 1,889,708.80-2,607,813.42-1,030,275.32

Finding the Fourth Proportional to 1,889,708.80, 2,607,813.42 and 1,030,275.32

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Solution

The fourth proportional to 1,889,708.80, 2,607,813.42 and 1,030,275.32 is: 1,421,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,708.80 : 2,607,813.42 = 1,030,275.32 : x
  2. Step 2: Convert to fraction form
    1,889,708.80/2,607,813.42 = 1,030,275.32/x
  3. Step 3: Cross multiply
    1,889,708.80x = 2,607,813.42 × 1,030,275.32
  4. Step 4: Simplify right side
    1,889,708.80x = 2,686,765,805,790.79
  5. Step 5: Solve for x
    x = 2,686,765,805,790.79/1,889,708.80
  6. Step 6: Final answer
    x = 1,421,788.27

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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.