Finding the Fourth Proportional to 5,005,756.84, 6,907,902.78 and 2,830,727.08
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Solution
The fourth proportional to 5,005,756.84, 6,907,902.78 and 2,830,727.08 is: 3,906,379.81
Step by Step Solution
- Step 1: Write the proportion equation
5,005,756.84 : 6,907,902.78 = 2,830,727.08 : x - Step 2: Convert to fraction form
5,005,756.84/6,907,902.78 = 2,830,727.08/x - Step 3: Cross multiply
5,005,756.84x = 6,907,902.78 × 2,830,727.08 - Step 4: Simplify right side
5,005,756.84x = 19,554,387,465,353.29 - Step 5: Solve for x
x = 19,554,387,465,353.29/5,005,756.84 - Step 6: Final answer
x = 3,906,379.81
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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.