Finding the Fourth Proportional to 5,513,318.64, 7,607,264.79 and 3,221,036.46
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Solution
The fourth proportional to 5,513,318.64, 7,607,264.79 and 3,221,036.46 is: 4,444,378.94
Step by Step Solution
- Step 1: Write the proportion equation
5,513,318.64 : 7,607,264.79 = 3,221,036.46 : x - Step 2: Convert to fraction form
5,513,318.64/7,607,264.79 = 3,221,036.46/x - Step 3: Cross multiply
5,513,318.64x = 7,607,264.79 × 3,221,036.46 - Step 4: Simplify right side
5,513,318.64x = 24,503,277,217,499.42 - Step 5: Solve for x
x = 24,503,277,217,499.42/5,513,318.64 - Step 6: Final answer
x = 4,444,378.94
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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.