Finding the Fourth Proportional to 6,381,345.16, 8,809,506.30 and 4,927,777.48
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Solution
The fourth proportional to 6,381,345.16, 8,809,506.30 and 4,927,777.48 is: 6,802,842.61
Step by Step Solution
- Step 1: Write the proportion equation
6,381,345.16 : 8,809,506.30 = 4,927,777.48 : x - Step 2: Convert to fraction form
6,381,345.16/8,809,506.30 = 4,927,777.48/x - Step 3: Cross multiply
6,381,345.16x = 8,809,506.30 × 4,927,777.48 - Step 4: Simplify right side
6,381,345.16x = 43,411,286,755,058.13 - Step 5: Solve for x
x = 43,411,286,755,058.13/6,381,345.16 - Step 6: Final answer
x = 6,802,842.61
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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.