Finding the Fourth Proportional to 6,449,637.66, 8,900,231.04 and 3,509,466.18
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Solution
The fourth proportional to 6,449,637.66, 8,900,231.04 and 3,509,466.18 is: 4,842,916.99
Step by Step Solution
- Step 1: Write the proportion equation
6,449,637.66 : 8,900,231.04 = 3,509,466.18 : x - Step 2: Convert to fraction form
6,449,637.66/8,900,231.04 = 3,509,466.18/x - Step 3: Cross multiply
6,449,637.66x = 8,900,231.04 × 3,509,466.18 - Step 4: Simplify right side
6,449,637.66x = 31,235,059,829,066.23 - Step 5: Solve for x
x = 31,235,059,829,066.23/6,449,637.66 - Step 6: Final answer
x = 4,842,916.99
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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.