Finding the Fourth Proportional to 6,168,865.81, 8,513,300.77 and 3,415,553.09
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Solution
The fourth proportional to 6,168,865.81, 8,513,300.77 and 3,415,553.09 is: 4,713,610.52
Step by Step Solution
- Step 1: Write the proportion equation
6,168,865.81 : 8,513,300.77 = 3,415,553.09 : x - Step 2: Convert to fraction form
6,168,865.81/8,513,300.77 = 3,415,553.09/x - Step 3: Cross multiply
6,168,865.81x = 8,513,300.77 × 3,415,553.09 - Step 4: Simplify right side
6,168,865.81x = 29,077,630,798,992.17 - Step 5: Solve for x
x = 29,077,630,798,992.17/6,168,865.81 - Step 6: Final answer
x = 4,713,610.52
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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.