Finding the Fourth Proportional to 6,464,622.84, 8,921,314.53 and 3,564,135.96
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Solution
The fourth proportional to 6,464,622.84, 8,921,314.53 and 3,564,135.96 is: 4,918,582.06
Step by Step Solution
- Step 1: Write the proportion equation
6,464,622.84 : 8,921,314.53 = 3,564,135.96 : x - Step 2: Convert to fraction form
6,464,622.84/8,921,314.53 = 3,564,135.96/x - Step 3: Cross multiply
6,464,622.84x = 8,921,314.53 × 3,564,135.96 - Step 4: Simplify right side
6,464,622.84x = 31,796,777,926,843.50 - Step 5: Solve for x
x = 31,796,777,926,843.50/6,464,622.84 - Step 6: Final answer
x = 4,918,582.06
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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.