Finding the Fourth Proportional to 2,970,031.12, 4,098,644.62 and 1,611,904.12
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Solution
The fourth proportional to 2,970,031.12, 4,098,644.62 and 1,611,904.12 is: 2,224,428.59
Step by Step Solution
- Step 1: Write the proportion equation
2,970,031.12 : 4,098,644.62 = 1,611,904.12 : x - Step 2: Convert to fraction form
2,970,031.12/4,098,644.62 = 1,611,904.12/x - Step 3: Cross multiply
2,970,031.12x = 4,098,644.62 × 1,611,904.12 - Step 4: Simplify right side
2,970,031.12x = 6,606,622,149,393.84 - Step 5: Solve for x
x = 6,606,622,149,393.84/2,970,031.12 - Step 6: Final answer
x = 2,224,428.59
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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.