Finding the Fourth Proportional to 4,411,904.90, 6,615,976.53 and 1,678,985.96
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Solution
The fourth proportional to 4,411,904.90, 6,615,976.53 and 1,678,985.96 is: 2,517,763.18
Step by Step Solution
- Step 1: Write the proportion equation
4,411,904.90 : 6,615,976.53 = 1,678,985.96 : x - Step 2: Convert to fraction form
4,411,904.90/6,615,976.53 = 1,678,985.96/x - Step 3: Cross multiply
4,411,904.90x = 6,615,976.53 × 1,678,985.96 - Step 4: Simplify right side
4,411,904.90x = 11,108,131,722,099.46 - Step 5: Solve for x
x = 11,108,131,722,099.46/4,411,904.90 - Step 6: Final answer
x = 2,517,763.18
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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.