Home / 1,989,962.90-2,746,222.35-1,130,669.54

Finding the Fourth Proportional to 1,989,962.90, 2,746,222.35 and 1,130,669.54

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Solution

The fourth proportional to 1,989,962.90, 2,746,222.35 and 1,130,669.54 is: 1,560,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,962.90 : 2,746,222.35 = 1,130,669.54 : x
  2. Step 2: Convert to fraction form
    1,989,962.90/2,746,222.35 = 1,130,669.54/x
  3. Step 3: Cross multiply
    1,989,962.90x = 2,746,222.35 × 1,130,669.54
  4. Step 4: Simplify right side
    1,989,962.90x = 3,105,069,961,212.22
  5. Step 5: Solve for x
    x = 3,105,069,961,212.22/1,989,962.90
  6. Step 6: Final answer
    x = 1,560,365.75

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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.