Finding the Fourth Proportional to 4,877,641.80, 6,731,054.64 and 2,943,983.88
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Solution
The fourth proportional to 4,877,641.80, 6,731,054.64 and 2,943,983.88 is: 4,062,642.80
Step by Step Solution
- Step 1: Write the proportion equation
4,877,641.80 : 6,731,054.64 = 2,943,983.88 : x - Step 2: Convert to fraction form
4,877,641.80/6,731,054.64 = 2,943,983.88/x - Step 3: Cross multiply
4,877,641.80x = 6,731,054.64 × 2,943,983.88 - Step 4: Simplify right side
4,877,641.80x = 19,816,116,355,559.20 - Step 5: Solve for x
x = 19,816,116,355,559.20/4,877,641.80 - Step 6: Final answer
x = 4,062,642.80
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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.