Home / 1,913,926.32-2,641,216.88-1,054,486.58

Finding the Fourth Proportional to 1,913,926.32, 2,641,216.88 and 1,054,486.58

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Solution

The fourth proportional to 1,913,926.32, 2,641,216.88 and 1,054,486.58 is: 1,455,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,926.32 : 2,641,216.88 = 1,054,486.58 : x
  2. Step 2: Convert to fraction form
    1,913,926.32/2,641,216.88 = 1,054,486.58/x
  3. Step 3: Cross multiply
    1,913,926.32x = 2,641,216.88 × 1,054,486.58
  4. Step 4: Simplify right side
    1,913,926.32x = 2,785,127,744,259.60
  5. Step 5: Solve for x
    x = 2,785,127,744,259.60/1,913,926.32
  6. Step 6: Final answer
    x = 1,455,190.68

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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.