Finding the Fourth Proportional to 5,346,904.05, 8,020,356.08 and 3,929,728.05
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Solution
The fourth proportional to 5,346,904.05, 8,020,356.08 and 3,929,728.05 is: 5,894,592.08
Step by Step Solution
- Step 1: Write the proportion equation
5,346,904.05 : 8,020,356.08 = 3,929,728.05 : x - Step 2: Convert to fraction form
5,346,904.05/8,020,356.08 = 3,929,728.05/x - Step 3: Cross multiply
5,346,904.05x = 8,020,356.08 × 3,929,728.05 - Step 4: Simplify right side
5,346,904.05x = 31,517,818,238,915.40 - Step 5: Solve for x
x = 31,517,818,238,915.40/5,346,904.05 - Step 6: Final answer
x = 5,894,592.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.