Finding the Fourth Proportional to 4,878,047.34, 6,731,526.60 and 2,813,149.98
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Solution
The fourth proportional to 4,878,047.34, 6,731,526.60 and 2,813,149.98 is: 3,882,043.90
Step by Step Solution
- Step 1: Write the proportion equation
4,878,047.34 : 6,731,526.60 = 2,813,149.98 : x - Step 2: Convert to fraction form
4,878,047.34/6,731,526.60 = 2,813,149.98/x - Step 3: Cross multiply
4,878,047.34x = 6,731,526.60 × 2,813,149.98 - Step 4: Simplify right side
4,878,047.34x = 18,936,793,920,159.47 - Step 5: Solve for x
x = 18,936,793,920,159.47/4,878,047.34 - Step 6: Final answer
x = 3,882,043.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.