Home / 1,810,886.11-2,495,859.55-1,326,421.87

Finding the Fourth Proportional to 1,810,886.11, 2,495,859.55 and 1,326,421.87

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Solution

The fourth proportional to 1,810,886.11, 2,495,859.55 and 1,326,421.87 is: 1,828,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,886.11 : 2,495,859.55 = 1,326,421.87 : x
  2. Step 2: Convert to fraction form
    1,810,886.11/2,495,859.55 = 1,326,421.87/x
  3. Step 3: Cross multiply
    1,810,886.11x = 2,495,859.55 × 1,326,421.87
  4. Step 4: Simplify right side
    1,810,886.11x = 3,310,562,691,568.36
  5. Step 5: Solve for x
    x = 3,310,562,691,568.36/1,810,886.11
  6. Step 6: Final answer
    x = 1,828,145.17

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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.