Finding the Fourth Proportional to 2,946,990.87, 4,420,486.47 and 817,075.02
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Solution
The fourth proportional to 2,946,990.87, 4,420,486.47 and 817,075.02 is: 1,225,612.58
Step by Step Solution
- Step 1: Write the proportion equation
2,946,990.87 : 4,420,486.47 = 817,075.02 : x - Step 2: Convert to fraction form
2,946,990.87/4,420,486.47 = 817,075.02/x - Step 3: Cross multiply
2,946,990.87x = 4,420,486.47 × 817,075.02 - Step 4: Simplify right side
2,946,990.87x = 3,611,869,070,884.98 - Step 5: Solve for x
x = 3,611,869,070,884.98/2,946,990.87 - Step 6: Final answer
x = 1,225,612.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.