Finding the Fourth Proportional to 5,387,826.74, 7,435,374.40 and 3,064,659.70
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Solution
The fourth proportional to 5,387,826.74, 7,435,374.40 and 3,064,659.70 is: 4,229,329.07
Step by Step Solution
- Step 1: Write the proportion equation
5,387,826.74 : 7,435,374.40 = 3,064,659.70 : x - Step 2: Convert to fraction form
5,387,826.74/7,435,374.40 = 3,064,659.70/x - Step 3: Cross multiply
5,387,826.74x = 7,435,374.40 × 3,064,659.70 - Step 4: Simplify right side
5,387,826.74x = 22,786,892,278,091.68 - Step 5: Solve for x
x = 22,786,892,278,091.68/5,387,826.74 - Step 6: Final answer
x = 4,229,329.07
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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.