Finding the Fourth Proportional to 2,830,284.81, 4,238,959.64 and 2,221,687.80
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Solution
The fourth proportional to 2,830,284.81, 4,238,959.64 and 2,221,687.80 is: 3,327,454.85
Step by Step Solution
- Step 1: Write the proportion equation
2,830,284.81 : 4,238,959.64 = 2,221,687.80 : x - Step 2: Convert to fraction form
2,830,284.81/4,238,959.64 = 2,221,687.80/x - Step 3: Cross multiply
2,830,284.81x = 4,238,959.64 × 2,221,687.80 - Step 4: Simplify right side
2,830,284.81x = 9,417,644,905,771.95 - Step 5: Solve for x
x = 9,417,644,905,771.95/2,830,284.81 - Step 6: Final answer
x = 3,327,454.85
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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.