Home / 1,948,296.78-2,688,653.45-1,088,857.01

Finding the Fourth Proportional to 1,948,296.78, 2,688,653.45 and 1,088,857.01

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Solution

The fourth proportional to 1,948,296.78, 2,688,653.45 and 1,088,857.01 is: 1,502,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,296.78 : 2,688,653.45 = 1,088,857.01 : x
  2. Step 2: Convert to fraction form
    1,948,296.78/2,688,653.45 = 1,088,857.01/x
  3. Step 3: Cross multiply
    1,948,296.78x = 2,688,653.45 × 1,088,857.01
  4. Step 4: Simplify right side
    1,948,296.78x = 2,927,559,165,936.96
  5. Step 5: Solve for x
    x = 2,927,559,165,936.96/1,948,296.78
  6. Step 6: Final answer
    x = 1,502,624.85

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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.