Home / 2,985,323.40-4,477,985.10-1,092,256.20

Finding the Fourth Proportional to 2,985,323.40, 4,477,985.10 and 1,092,256.20

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Solution

The fourth proportional to 2,985,323.40, 4,477,985.10 and 1,092,256.20 is: 1,638,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,323.40 : 4,477,985.10 = 1,092,256.20 : x
  2. Step 2: Convert to fraction form
    2,985,323.40/4,477,985.10 = 1,092,256.20/x
  3. Step 3: Cross multiply
    2,985,323.40x = 4,477,985.10 × 1,092,256.20
  4. Step 4: Simplify right side
    2,985,323.40x = 4,891,106,988,982.62
  5. Step 5: Solve for x
    x = 4,891,106,988,982.62/2,985,323.40
  6. Step 6: Final answer
    x = 1,638,384.30

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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.