Finding the Fourth Proportional to 5,005,888.05, 6,908,261.54 and 2,830,756.62
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Solution
The fourth proportional to 5,005,888.05, 6,908,261.54 and 2,830,756.62 is: 3,906,521.06
Step by Step Solution
- Step 1: Write the proportion equation
5,005,888.05 : 6,908,261.54 = 2,830,756.62 : x - Step 2: Convert to fraction form
5,005,888.05/6,908,261.54 = 2,830,756.62/x - Step 3: Cross multiply
5,005,888.05x = 6,908,261.54 × 2,830,756.62 - Step 4: Simplify right side
5,005,888.05x = 19,555,607,072,892.61 - Step 5: Solve for x
x = 19,555,607,072,892.61/5,005,888.05 - Step 6: Final answer
x = 3,906,521.06
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1.5x scale
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.