Home / 1,989,878.54-2,746,041.69-1,130,485.96

Finding the Fourth Proportional to 1,989,878.54, 2,746,041.69 and 1,130,485.96

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Solution

The fourth proportional to 1,989,878.54, 2,746,041.69 and 1,130,485.96 is: 1,560,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,878.54 : 2,746,041.69 = 1,130,485.96 : x
  2. Step 2: Convert to fraction form
    1,989,878.54/2,746,041.69 = 1,130,485.96/x
  3. Step 3: Cross multiply
    1,989,878.54x = 2,746,041.69 × 1,130,485.96
  4. Step 4: Simplify right side
    1,989,878.54x = 3,104,361,576,119.67
  5. Step 5: Solve for x
    x = 3,104,361,576,119.67/1,989,878.54
  6. Step 6: Final answer
    x = 1,560,075.91

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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.