Home / 1,666,822.40-2,497,281.15-1,412,911.70

Finding the Fourth Proportional to 1,666,822.40, 2,497,281.15 and 1,412,911.70

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Solution

The fourth proportional to 1,666,822.40, 2,497,281.15 and 1,412,911.70 is: 2,116,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,822.40 : 2,497,281.15 = 1,412,911.70 : x
  2. Step 2: Convert to fraction form
    1,666,822.40/2,497,281.15 = 1,412,911.70/x
  3. Step 3: Cross multiply
    1,666,822.40x = 2,497,281.15 × 1,412,911.70
  4. Step 4: Simplify right side
    1,666,822.40x = 3,528,437,755,024.45
  5. Step 5: Solve for x
    x = 3,528,437,755,024.45/1,666,822.40
  6. Step 6: Final answer
    x = 2,116,864.85

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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.