Home / 2,698,718.59-4,047,480.93-779,213.21

Finding the Fourth Proportional to 2,698,718.59, 4,047,480.93 and 779,213.21

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Solution

The fourth proportional to 2,698,718.59, 4,047,480.93 and 779,213.21 is: 1,168,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,718.59 : 4,047,480.93 = 779,213.21 : x
  2. Step 2: Convert to fraction form
    2,698,718.59/4,047,480.93 = 779,213.21/x
  3. Step 3: Cross multiply
    2,698,718.59x = 4,047,480.93 × 779,213.21
  4. Step 4: Simplify right side
    2,698,718.59x = 3,153,850,607,879.09
  5. Step 5: Solve for x
    x = 3,153,850,607,879.09/2,698,718.59
  6. Step 6: Final answer
    x = 1,168,647.46

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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.