Finding the Fourth Proportional to 6,409,755.98, 8,845,465.25 and 3,509,331.07
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Solution
The fourth proportional to 6,409,755.98, 8,845,465.25 and 3,509,331.07 is: 4,842,877.97
Step by Step Solution
- Step 1: Write the proportion equation
6,409,755.98 : 8,845,465.25 = 3,509,331.07 : x - Step 2: Convert to fraction form
6,409,755.98/8,845,465.25 = 3,509,331.07/x - Step 3: Cross multiply
6,409,755.98x = 8,845,465.25 × 3,509,331.07 - Step 4: Simplify right side
6,409,755.98x = 31,041,666,030,430.32 - Step 5: Solve for x
x = 31,041,666,030,430.32/6,409,755.98 - Step 6: Final answer
x = 4,842,877.97
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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.