Finding the Fourth Proportional to 6,324,412.04, 8,727,648.60 and 3,423,781.76
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Solution
The fourth proportional to 6,324,412.04, 8,727,648.60 and 3,423,781.76 is: 4,724,797.17
Step by Step Solution
- Step 1: Write the proportion equation
6,324,412.04 : 8,727,648.60 = 3,423,781.76 : x - Step 2: Convert to fraction form
6,324,412.04/8,727,648.60 = 3,423,781.76/x - Step 3: Cross multiply
6,324,412.04x = 8,727,648.60 × 3,423,781.76 - Step 4: Simplify right side
6,324,412.04x = 29,881,564,084,369.53 - Step 5: Solve for x
x = 29,881,564,084,369.53/6,324,412.04 - Step 6: Final answer
x = 4,724,797.17
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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.