Home / 1,876,609.08-2,587,666.50-1,394,069.40

Finding the Fourth Proportional to 1,876,609.08, 2,587,666.50 and 1,394,069.40

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Solution

The fourth proportional to 1,876,609.08, 2,587,666.50 and 1,394,069.40 is: 1,922,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,609.08 : 2,587,666.50 = 1,394,069.40 : x
  2. Step 2: Convert to fraction form
    1,876,609.08/2,587,666.50 = 1,394,069.40/x
  3. Step 3: Cross multiply
    1,876,609.08x = 2,587,666.50 × 1,394,069.40
  4. Step 4: Simplify right side
    1,876,609.08x = 3,607,386,685,055.10
  5. Step 5: Solve for x
    x = 3,607,386,685,055.10/1,876,609.08
  6. Step 6: Final answer
    x = 1,922,289.90

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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.