Finding the Fourth Proportional to 2,972,994.10, 4,103,072.21 and 1,666,598.99
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Solution
The fourth proportional to 2,972,994.10, 4,103,072.21 and 1,666,598.99 is: 2,300,097.40
Step by Step Solution
- Step 1: Write the proportion equation
2,972,994.10 : 4,103,072.21 = 1,666,598.99 : x - Step 2: Convert to fraction form
2,972,994.10/4,103,072.21 = 1,666,598.99/x - Step 3: Cross multiply
2,972,994.10x = 4,103,072.21 × 1,666,598.99 - Step 4: Simplify right side
2,972,994.10x = 6,838,175,984,734.20 - Step 5: Solve for x
x = 6,838,175,984,734.20/2,972,994.10 - Step 6: Final answer
x = 2,300,097.40
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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.