Finding the Fourth Proportional to 2,174,479.20, 3,000,851.28 and 1,207,621.08
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Solution
The fourth proportional to 2,174,479.20, 3,000,851.28 and 1,207,621.08 is: 1,666,555.96
Step by Step Solution
- Step 1: Write the proportion equation
2,174,479.20 : 3,000,851.28 = 1,207,621.08 : x - Step 2: Convert to fraction form
2,174,479.20/3,000,851.28 = 1,207,621.08/x - Step 3: Cross multiply
2,174,479.20x = 3,000,851.28 × 1,207,621.08 - Step 4: Simplify right side
2,174,479.20x = 3,623,891,263,672.98 - Step 5: Solve for x
x = 3,623,891,263,672.98/2,174,479.20 - Step 6: Final answer
x = 1,666,555.96
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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.