Finding the Fourth Proportional to 5,146,070.08, 7,102,426.80 and 2,854,968.88
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Solution
The fourth proportional to 5,146,070.08, 7,102,426.80 and 2,854,968.88 is: 3,940,328.67
Step by Step Solution
- Step 1: Write the proportion equation
5,146,070.08 : 7,102,426.80 = 2,854,968.88 : x - Step 2: Convert to fraction form
5,146,070.08/7,102,426.80 = 2,854,968.88/x - Step 3: Cross multiply
5,146,070.08x = 7,102,426.80 × 2,854,968.88 - Step 4: Simplify right side
5,146,070.08x = 20,277,207,486,477.98 - Step 5: Solve for x
x = 20,277,207,486,477.98/5,146,070.08 - Step 6: Final answer
x = 3,940,328.67
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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.