Home / 1,911,614.55-2,636,685-1,258,032.33

Finding the Fourth Proportional to 1,911,614.55, 2,636,685 and 1,258,032.33

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Solution

The fourth proportional to 1,911,614.55, 2,636,685 and 1,258,032.33 is: 1,735,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,614.55 : 2,636,685 = 1,258,032.33 : x
  2. Step 2: Convert to fraction form
    1,911,614.55/2,636,685 = 1,258,032.33/x
  3. Step 3: Cross multiply
    1,911,614.55x = 2,636,685 × 1,258,032.33
  4. Step 4: Simplify right side
    1,911,614.55x = 3,317,034,974,026.05
  5. Step 5: Solve for x
    x = 3,317,034,974,026.05/1,911,614.55
  6. Step 6: Final answer
    x = 1,735,200.74

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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.