Home / 1,990,009.69-2,985,046.93-570,060.25

Finding the Fourth Proportional to 1,990,009.69, 2,985,046.93 and 570,060.25

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Solution

The fourth proportional to 1,990,009.69, 2,985,046.93 and 570,060.25 is: 855,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,009.69 : 2,985,046.93 = 570,060.25 : x
  2. Step 2: Convert to fraction form
    1,990,009.69/2,985,046.93 = 570,060.25/x
  3. Step 3: Cross multiply
    1,990,009.69x = 2,985,046.93 × 570,060.25
  4. Step 4: Simplify right side
    1,990,009.69x = 1,701,656,592,427.49
  5. Step 5: Solve for x
    x = 1,701,656,592,427.49/1,990,009.69
  6. Step 6: Final answer
    x = 855,099.65

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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.