Home / 1,532,482.02-2,112,615.77-1,072,170.45

Finding the Fourth Proportional to 1,532,482.02, 2,112,615.77 and 1,072,170.45

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Solution

The fourth proportional to 1,532,482.02, 2,112,615.77 and 1,072,170.45 is: 1,478,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,482.02 : 2,112,615.77 = 1,072,170.45 : x
  2. Step 2: Convert to fraction form
    1,532,482.02/2,112,615.77 = 1,072,170.45/x
  3. Step 3: Cross multiply
    1,532,482.02x = 2,112,615.77 × 1,072,170.45
  4. Step 4: Simplify right side
    1,532,482.02x = 2,265,084,195,437.14
  5. Step 5: Solve for x
    x = 2,265,084,195,437.14/1,532,482.02
  6. Step 6: Final answer
    x = 1,478,049.44

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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.