Home / 1,889,709.80-2,607,814.80-1,030,276.32

Finding the Fourth Proportional to 1,889,709.80, 2,607,814.80 and 1,030,276.32

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Solution

The fourth proportional to 1,889,709.80, 2,607,814.80 and 1,030,276.32 is: 1,421,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,709.80 : 2,607,814.80 = 1,030,276.32 : x
  2. Step 2: Convert to fraction form
    1,889,709.80/2,607,814.80 = 1,030,276.32/x
  3. Step 3: Cross multiply
    1,889,709.80x = 2,607,814.80 × 1,030,276.32
  4. Step 4: Simplify right side
    1,889,709.80x = 2,686,769,835,385.54
  5. Step 5: Solve for x
    x = 2,686,769,835,385.54/1,889,709.80
  6. Step 6: Final answer
    x = 1,421,789.65

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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.