Finding the Fourth Proportional to 3,517,089.84, 5,272,090.20 and 1,386,349.20
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Solution
The fourth proportional to 3,517,089.84, 5,272,090.20 and 1,386,349.20 is: 2,078,126.62
Step by Step Solution
- Step 1: Write the proportion equation
3,517,089.84 : 5,272,090.20 = 1,386,349.20 : x - Step 2: Convert to fraction form
3,517,089.84/5,272,090.20 = 1,386,349.20/x - Step 3: Cross multiply
3,517,089.84x = 5,272,090.20 × 1,386,349.20 - Step 4: Simplify right side
3,517,089.84x = 7,308,958,031,097.84 - Step 5: Solve for x
x = 7,308,958,031,097.84/3,517,089.84 - Step 6: Final answer
x = 2,078,126.62
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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.