Finding the Fourth Proportional to 6,497,468.37, 8,966,612.07 and 3,557,235.87
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Solution
The fourth proportional to 6,497,468.37, 8,966,612.07 and 3,557,235.87 is: 4,909,043.38
Step by Step Solution
- Step 1: Write the proportion equation
6,497,468.37 : 8,966,612.07 = 3,557,235.87 : x - Step 2: Convert to fraction form
6,497,468.37/8,966,612.07 = 3,557,235.87/x - Step 3: Cross multiply
6,497,468.37x = 8,966,612.07 × 3,557,235.87 - Step 4: Simplify right side
6,497,468.37x = 31,896,354,087,778.95 - Step 5: Solve for x
x = 31,896,354,087,778.95/6,497,468.37 - Step 6: Final answer
x = 4,909,043.38
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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.