Finding the Fourth Proportional to 2,288,801.68, 3,157,353.12 and 1,357,967.68
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Solution
The fourth proportional to 2,288,801.68, 3,157,353.12 and 1,357,967.68 is: 1,873,287.46
Step by Step Solution
- Step 1: Write the proportion equation
2,288,801.68 : 3,157,353.12 = 1,357,967.68 : x - Step 2: Convert to fraction form
2,288,801.68/3,157,353.12 = 1,357,967.68/x - Step 3: Cross multiply
2,288,801.68x = 3,157,353.12 × 1,357,967.68 - Step 4: Simplify right side
2,288,801.68x = 4,287,583,491,307.16 - Step 5: Solve for x
x = 4,287,583,491,307.16/2,288,801.68 - Step 6: Final answer
x = 1,873,287.46
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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.