Finding the Fourth Proportional to 2,357,519.52, 3,253,766.88 and 1,390,886.08
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Solution
The fourth proportional to 2,357,519.52, 3,253,766.88 and 1,390,886.08 is: 1,919,652.85
Step by Step Solution
- Step 1: Write the proportion equation
2,357,519.52 : 3,253,766.88 = 1,390,886.08 : x - Step 2: Convert to fraction form
2,357,519.52/3,253,766.88 = 1,390,886.08/x - Step 3: Cross multiply
2,357,519.52x = 3,253,766.88 × 1,390,886.08 - Step 4: Simplify right side
2,357,519.52x = 4,525,619,060,957.03 - Step 5: Solve for x
x = 4,525,619,060,957.03/2,357,519.52 - Step 6: Final answer
x = 1,919,652.85
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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.