Home / 1,913,895.09-2,641,173.77-1,054,455.35

Finding the Fourth Proportional to 1,913,895.09, 2,641,173.77 and 1,054,455.35

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Solution

The fourth proportional to 1,913,895.09, 2,641,173.77 and 1,054,455.35 is: 1,455,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,895.09 : 2,641,173.77 = 1,054,455.35 : x
  2. Step 2: Convert to fraction form
    1,913,895.09/2,641,173.77 = 1,054,455.35/x
  3. Step 3: Cross multiply
    1,913,895.09x = 2,641,173.77 × 1,054,455.35
  4. Step 4: Simplify right side
    1,913,895.09x = 2,784,999,793,578.02
  5. Step 5: Solve for x
    x = 2,784,999,793,578.02/1,913,895.09
  6. Step 6: Final answer
    x = 1,455,147.57

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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.