Finding the Fourth Proportional to 5,224,062.84, 7,208,811.48 and 2,931,780.68
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Solution
The fourth proportional to 5,224,062.84, 7,208,811.48 and 2,931,780.68 is: 4,045,635.53
Step by Step Solution
- Step 1: Write the proportion equation
5,224,062.84 : 7,208,811.48 = 2,931,780.68 : x - Step 2: Convert to fraction form
5,224,062.84/7,208,811.48 = 2,931,780.68/x - Step 3: Cross multiply
5,224,062.84x = 7,208,811.48 × 2,931,780.68 - Step 4: Simplify right side
5,224,062.84x = 21,134,654,222,826.21 - Step 5: Solve for x
x = 21,134,654,222,826.21/5,224,062.84 - Step 6: Final answer
x = 4,045,635.53
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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.