Finding the Fourth Proportional to 3,465,714.84, 4,782,365.50 and 1,916,943.18
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Solution
The fourth proportional to 3,465,714.84, 4,782,365.50 and 1,916,943.18 is: 2,645,204.04
Step by Step Solution
- Step 1: Write the proportion equation
3,465,714.84 : 4,782,365.50 = 1,916,943.18 : x - Step 2: Convert to fraction form
3,465,714.84/4,782,365.50 = 1,916,943.18/x - Step 3: Cross multiply
3,465,714.84x = 4,782,365.50 × 1,916,943.18 - Step 4: Simplify right side
3,465,714.84x = 9,167,522,895,995.75 - Step 5: Solve for x
x = 9,167,522,895,995.75/3,465,714.84 - Step 6: Final answer
x = 2,645,204.04
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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.