Finding the Fourth Proportional to 4,191,273.12, 6,282,432.80 and 2,390,278.40
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Solution
The fourth proportional to 4,191,273.12, 6,282,432.80 and 2,390,278.40 is: 3,582,864.44
Step by Step Solution
- Step 1: Write the proportion equation
4,191,273.12 : 6,282,432.80 = 2,390,278.40 : x - Step 2: Convert to fraction form
4,191,273.12/6,282,432.80 = 2,390,278.40/x - Step 3: Cross multiply
4,191,273.12x = 6,282,432.80 × 2,390,278.40 - Step 4: Simplify right side
4,191,273.12x = 15,016,763,421,291.52 - Step 5: Solve for x
x = 15,016,763,421,291.52/4,191,273.12 - Step 6: Final answer
x = 3,582,864.44
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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.