Finding the Fourth Proportional to 6,114,632.52, 8,438,220.36 and 3,361,497.50
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Solution
The fourth proportional to 6,114,632.52, 8,438,220.36 and 3,361,497.50 is: 4,638,881.65
Step by Step Solution
- Step 1: Write the proportion equation
6,114,632.52 : 8,438,220.36 = 3,361,497.50 : x - Step 2: Convert to fraction form
6,114,632.52/8,438,220.36 = 3,361,497.50/x - Step 3: Cross multiply
6,114,632.52x = 8,438,220.36 × 3,361,497.50 - Step 4: Simplify right side
6,114,632.52x = 28,365,056,602,398.00 - Step 5: Solve for x
x = 28,365,056,602,398.00/6,114,632.52 - Step 6: Final answer
x = 4,638,881.65
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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.