Home / 2,619,360.38-3,929,041.65-1,178,360.64

Finding the Fourth Proportional to 2,619,360.38, 3,929,041.65 and 1,178,360.64

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Solution

The fourth proportional to 2,619,360.38, 3,929,041.65 and 1,178,360.64 is: 1,767,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,360.38 : 3,929,041.65 = 1,178,360.64 : x
  2. Step 2: Convert to fraction form
    2,619,360.38/3,929,041.65 = 1,178,360.64/x
  3. Step 3: Cross multiply
    2,619,360.38x = 3,929,041.65 × 1,178,360.64
  4. Step 4: Simplify right side
    2,619,360.38x = 4,629,828,037,699.51
  5. Step 5: Solve for x
    x = 4,629,828,037,699.51/2,619,360.38
  6. Step 6: Final answer
    x = 1,767,541.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.