Home / 1,879,154.95-2,817,813.88-1,310,808.32

Finding the Fourth Proportional to 1,879,154.95, 2,817,813.88 and 1,310,808.32

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Solution

The fourth proportional to 1,879,154.95, 2,817,813.88 and 1,310,808.32 is: 1,965,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,154.95 : 2,817,813.88 = 1,310,808.32 : x
  2. Step 2: Convert to fraction form
    1,879,154.95/2,817,813.88 = 1,310,808.32/x
  3. Step 3: Cross multiply
    1,879,154.95x = 2,817,813.88 × 1,310,808.32
  4. Step 4: Simplify right side
    1,879,154.95x = 3,693,613,881,883.00
  5. Step 5: Solve for x
    x = 3,693,613,881,883.00/1,879,154.95
  6. Step 6: Final answer
    x = 1,965,571.75

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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.