Finding the Fourth Proportional to 4,376,971.86, 6,026,850.06 and 3,966,402.55
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Solution
The fourth proportional to 4,376,971.86, 6,026,850.06 and 3,966,402.55 is: 5,461,518.65
Step by Step Solution
- Step 1: Write the proportion equation
4,376,971.86 : 6,026,850.06 = 3,966,402.55 : x - Step 2: Convert to fraction form
4,376,971.86/6,026,850.06 = 3,966,402.55/x - Step 3: Cross multiply
4,376,971.86x = 6,026,850.06 × 3,966,402.55 - Step 4: Simplify right side
4,376,971.86x = 23,904,913,446,856.45 - Step 5: Solve for x
x = 23,904,913,446,856.45/4,376,971.86 - Step 6: Final answer
x = 5,461,518.65
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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.