Finding the Fourth Proportional to 2,755,955.16, 3,803,214.24 and 1,532,221.74
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Solution
The fourth proportional to 2,755,955.16, 3,803,214.24 and 1,532,221.74 is: 2,114,463.84
Step by Step Solution
- Step 1: Write the proportion equation
2,755,955.16 : 3,803,214.24 = 1,532,221.74 : x - Step 2: Convert to fraction form
2,755,955.16/3,803,214.24 = 1,532,221.74/x - Step 3: Cross multiply
2,755,955.16x = 3,803,214.24 × 1,532,221.74 - Step 4: Simplify right side
2,755,955.16x = 5,827,367,540,405.58 - Step 5: Solve for x
x = 5,827,367,540,405.58/2,755,955.16 - Step 6: Final answer
x = 2,114,463.84
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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.