Home / 1,666,490.40-2,298,835.94-1,356,726.20

Finding the Fourth Proportional to 1,666,490.40, 2,298,835.94 and 1,356,726.20

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Solution

The fourth proportional to 1,666,490.40, 2,298,835.94 and 1,356,726.20 is: 1,871,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,490.40 : 2,298,835.94 = 1,356,726.20 : x
  2. Step 2: Convert to fraction form
    1,666,490.40/2,298,835.94 = 1,356,726.20/x
  3. Step 3: Cross multiply
    1,666,490.40x = 2,298,835.94 × 1,356,726.20
  4. Step 4: Simplify right side
    1,666,490.40x = 3,118,890,949,299.63
  5. Step 5: Solve for x
    x = 3,118,890,949,299.63/1,666,490.40
  6. Step 6: Final answer
    x = 1,871,532.50

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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.