Home / 2,640,063.24-3,642,985.80-1,478,348.01

Finding the Fourth Proportional to 2,640,063.24, 3,642,985.80 and 1,478,348.01

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Solution

The fourth proportional to 2,640,063.24, 3,642,985.80 and 1,478,348.01 is: 2,039,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,063.24 : 3,642,985.80 = 1,478,348.01 : x
  2. Step 2: Convert to fraction form
    2,640,063.24/3,642,985.80 = 1,478,348.01/x
  3. Step 3: Cross multiply
    2,640,063.24x = 3,642,985.80 × 1,478,348.01
  4. Step 4: Simplify right side
    2,640,063.24x = 5,385,600,807,888.26
  5. Step 5: Solve for x
    x = 5,385,600,807,888.26/2,640,063.24
  6. Step 6: Final answer
    x = 2,039,951.44

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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.