Finding the Fourth Proportional to 4,705,468.05, 6,489,885.09 and 3,403,603.67
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Solution
The fourth proportional to 4,705,468.05, 6,489,885.09 and 3,403,603.67 is: 4,694,325.09
Step by Step Solution
- Step 1: Write the proportion equation
4,705,468.05 : 6,489,885.09 = 3,403,603.67 : x - Step 2: Convert to fraction form
4,705,468.05/6,489,885.09 = 3,403,603.67/x - Step 3: Cross multiply
4,705,468.05x = 6,489,885.09 × 3,403,603.67 - Step 4: Simplify right side
4,705,468.05x = 22,088,996,710,202.28 - Step 5: Solve for x
x = 22,088,996,710,202.28/4,705,468.05 - Step 6: Final answer
x = 4,694,325.09
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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.