Finding the Fourth Proportional to 5,558,688.63, 7,675,777.71 and 3,497,140.44
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Solution
The fourth proportional to 5,558,688.63, 7,675,777.71 and 3,497,140.44 is: 4,829,065.71
Step by Step Solution
- Step 1: Write the proportion equation
5,558,688.63 : 7,675,777.71 = 3,497,140.44 : x - Step 2: Convert to fraction form
5,558,688.63/7,675,777.71 = 3,497,140.44/x - Step 3: Cross multiply
5,558,688.63x = 7,675,777.71 × 3,497,140.44 - Step 4: Simplify right side
5,558,688.63x = 26,843,272,638,091.59 - Step 5: Solve for x
x = 26,843,272,638,091.59/5,558,688.63 - Step 6: Final answer
x = 4,829,065.71
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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.