Finding the Fourth Proportional to 5,116,851.04, 7,673,875.44 and 1,921,730.08
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Solution
The fourth proportional to 5,116,851.04, 7,673,875.44 and 1,921,730.08 is: 2,882,068.90
Step by Step Solution
- Step 1: Write the proportion equation
5,116,851.04 : 7,673,875.44 = 1,921,730.08 : x - Step 2: Convert to fraction form
5,116,851.04/7,673,875.44 = 1,921,730.08/x - Step 3: Cross multiply
5,116,851.04x = 7,673,875.44 × 1,921,730.08 - Step 4: Simplify right side
5,116,851.04x = 14,747,117,263,221.24 - Step 5: Solve for x
x = 14,747,117,263,221.24/5,116,851.04 - Step 6: Final answer
x = 2,882,068.90
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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.