Home / 1,990,103.37-2,985,138.65-570,160.81

Finding the Fourth Proportional to 1,990,103.37, 2,985,138.65 and 570,160.81

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Solution

The fourth proportional to 1,990,103.37, 2,985,138.65 and 570,160.81 is: 855,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,103.37 : 2,985,138.65 = 570,160.81 : x
  2. Step 2: Convert to fraction form
    1,990,103.37/2,985,138.65 = 570,160.81/x
  3. Step 3: Cross multiply
    1,990,103.37x = 2,985,138.65 × 570,160.81
  4. Step 4: Simplify right side
    1,990,103.37x = 1,702,009,075,803.13
  5. Step 5: Solve for x
    x = 1,702,009,075,803.13/1,990,103.37
  6. Step 6: Final answer
    x = 855,236.52

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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.