Finding the Fourth Proportional to 6,460,336.62, 8,915,661.63 and 3,559,726.71
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Solution
The fourth proportional to 6,460,336.62, 8,915,661.63 and 3,559,726.71 is: 4,912,641.66
Step by Step Solution
- Step 1: Write the proportion equation
6,460,336.62 : 8,915,661.63 = 3,559,726.71 : x - Step 2: Convert to fraction form
6,460,336.62/8,915,661.63 = 3,559,726.71/x - Step 3: Cross multiply
6,460,336.62x = 8,915,661.63 × 3,559,726.71 - Step 4: Simplify right side
6,460,336.62x = 31,737,318,841,633.14 - Step 5: Solve for x
x = 31,737,318,841,633.14/6,460,336.62 - Step 6: Final answer
x = 4,912,641.66
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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.