Home / 1,948,083.08-2,688,346.87-1,088,643.11

Finding the Fourth Proportional to 1,948,083.08, 2,688,346.87 and 1,088,643.11

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Solution

The fourth proportional to 1,948,083.08, 2,688,346.87 and 1,088,643.11 is: 1,502,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,083.08 : 2,688,346.87 = 1,088,643.11 : x
  2. Step 2: Convert to fraction form
    1,948,083.08/2,688,346.87 = 1,088,643.11/x
  3. Step 3: Cross multiply
    1,948,083.08x = 2,688,346.87 × 1,088,643.11
  4. Step 4: Simplify right side
    1,948,083.08x = 2,926,650,281,152.22
  5. Step 5: Solve for x
    x = 2,926,650,281,152.22/1,948,083.08
  6. Step 6: Final answer
    x = 1,502,323.14

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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.