Finding the Fourth Proportional to 6,418,927.99, 8,859,028.80 and 3,972,327.04
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Solution
The fourth proportional to 6,418,927.99, 8,859,028.80 and 3,972,327.04 is: 5,482,373.33
Step by Step Solution
- Step 1: Write the proportion equation
6,418,927.99 : 8,859,028.80 = 3,972,327.04 : x - Step 2: Convert to fraction form
6,418,927.99/8,859,028.80 = 3,972,327.04/x - Step 3: Cross multiply
6,418,927.99x = 8,859,028.80 × 3,972,327.04 - Step 4: Simplify right side
6,418,927.99x = 35,190,959,606,083.61 - Step 5: Solve for x
x = 35,190,959,606,083.61/6,418,927.99 - Step 6: Final answer
x = 5,482,373.33
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1.5x scale
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.