Finding the Fourth Proportional to 4,422,434.13, 6,633,688.35 and 1,227,809.43
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Solution
The fourth proportional to 4,422,434.13, 6,633,688.35 and 1,227,809.43 is: 1,841,724.46
Step by Step Solution
- Step 1: Write the proportion equation
4,422,434.13 : 6,633,688.35 = 1,227,809.43 : x - Step 2: Convert to fraction form
4,422,434.13/6,633,688.35 = 1,227,809.43/x - Step 3: Cross multiply
4,422,434.13x = 6,633,688.35 × 1,227,809.43 - Step 4: Simplify right side
4,422,434.13x = 8,144,905,111,811.14 - Step 5: Solve for x
x = 8,144,905,111,811.14/4,422,434.13 - Step 6: Final answer
x = 1,841,724.46
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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.