Finding the Fourth Proportional to 5,116,345.60, 7,060,371.84 and 2,824,457.08
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Solution
The fourth proportional to 5,116,345.60, 7,060,371.84 and 2,824,457.08 is: 3,897,648.59
Step by Step Solution
- Step 1: Write the proportion equation
5,116,345.60 : 7,060,371.84 = 2,824,457.08 : x - Step 2: Convert to fraction form
5,116,345.60/7,060,371.84 = 2,824,457.08/x - Step 3: Cross multiply
5,116,345.60x = 7,060,371.84 × 2,824,457.08 - Step 4: Simplify right side
5,116,345.60x = 19,941,717,230,920.63 - Step 5: Solve for x
x = 19,941,717,230,920.63/5,116,345.60 - Step 6: Final answer
x = 3,897,648.59
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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.