Home / 2,108,075.60-2,909,143.74-1,141,205.20

Finding the Fourth Proportional to 2,108,075.60, 2,909,143.74 and 1,141,205.20

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Solution

The fourth proportional to 2,108,075.60, 2,909,143.74 and 1,141,205.20 is: 1,574,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,075.60 : 2,909,143.74 = 1,141,205.20 : x
  2. Step 2: Convert to fraction form
    2,108,075.60/2,909,143.74 = 1,141,205.20/x
  3. Step 3: Cross multiply
    2,108,075.60x = 2,909,143.74 × 1,141,205.20
  4. Step 4: Simplify right side
    2,108,075.60x = 3,319,929,963,635.45
  5. Step 5: Solve for x
    x = 3,319,929,963,635.45/2,108,075.60
  6. Step 6: Final answer
    x = 1,574,862.86

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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.