Home / 1,990,010.69-2,985,048.43-570,061.25

Finding the Fourth Proportional to 1,990,010.69, 2,985,048.43 and 570,061.25

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Solution

The fourth proportional to 1,990,010.69, 2,985,048.43 and 570,061.25 is: 855,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,010.69 : 2,985,048.43 = 570,061.25 : x
  2. Step 2: Convert to fraction form
    1,990,010.69/2,985,048.43 = 570,061.25/x
  3. Step 3: Cross multiply
    1,990,010.69x = 2,985,048.43 × 570,061.25
  4. Step 4: Simplify right side
    1,990,010.69x = 1,701,660,439,316.34
  5. Step 5: Solve for x
    x = 1,701,660,439,316.34/1,990,010.69
  6. Step 6: Final answer
    x = 855,101.15

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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.