Home / 1,609,095.60-2,221,134.62-1,065,406.57

Finding the Fourth Proportional to 1,609,095.60, 2,221,134.62 and 1,065,406.57

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Solution

The fourth proportional to 1,609,095.60, 2,221,134.62 and 1,065,406.57 is: 1,470,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,095.60 : 2,221,134.62 = 1,065,406.57 : x
  2. Step 2: Convert to fraction form
    1,609,095.60/2,221,134.62 = 1,065,406.57/x
  3. Step 3: Cross multiply
    1,609,095.60x = 2,221,134.62 × 1,065,406.57
  4. Step 4: Simplify right side
    1,609,095.60x = 2,366,411,406,122.58
  5. Step 5: Solve for x
    x = 2,366,411,406,122.58/1,609,095.60
  6. Step 6: Final answer
    x = 1,470,646.87

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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.