Home / 1,778,633.86-2,452,856.66-1,646,528.08

Finding the Fourth Proportional to 1,778,633.86, 2,452,856.66 and 1,646,528.08

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Solution

The fourth proportional to 1,778,633.86, 2,452,856.66 and 1,646,528.08 is: 2,270,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,633.86 : 2,452,856.66 = 1,646,528.08 : x
  2. Step 2: Convert to fraction form
    1,778,633.86/2,452,856.66 = 1,646,528.08/x
  3. Step 3: Cross multiply
    1,778,633.86x = 2,452,856.66 × 1,646,528.08
  4. Step 4: Simplify right side
    1,778,633.86x = 4,038,697,358,672.37
  5. Step 5: Solve for x
    x = 4,038,697,358,672.37/1,778,633.86
  6. Step 6: Final answer
    x = 2,270,673.83

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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.