Home / 1,948,243.18-2,688,658.62-1,088,803.42

Finding the Fourth Proportional to 1,948,243.18, 2,688,658.62 and 1,088,803.42

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Solution

The fourth proportional to 1,948,243.18, 2,688,658.62 and 1,088,803.42 is: 1,502,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,243.18 : 2,688,658.62 = 1,088,803.42 : x
  2. Step 2: Convert to fraction form
    1,948,243.18/2,688,658.62 = 1,088,803.42/x
  3. Step 3: Cross multiply
    1,948,243.18x = 2,688,658.62 × 1,088,803.42
  4. Step 4: Simplify right side
    1,948,243.18x = 2,927,420,689,947.20
  5. Step 5: Solve for x
    x = 2,927,420,689,947.20/1,948,243.18
  6. Step 6: Final answer
    x = 1,502,595.12

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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.