Finding the Fourth Proportional to 6,131,543.13, 8,461,124.46 and 3,682,699.02
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Solution
The fourth proportional to 6,131,543.13, 8,461,124.46 and 3,682,699.02 is: 5,081,881.36
Step by Step Solution
- Step 1: Write the proportion equation
6,131,543.13 : 8,461,124.46 = 3,682,699.02 : x - Step 2: Convert to fraction form
6,131,543.13/8,461,124.46 = 3,682,699.02/x - Step 3: Cross multiply
6,131,543.13x = 8,461,124.46 × 3,682,699.02 - Step 4: Simplify right side
6,131,543.13x = 31,159,774,756,940.03 - Step 5: Solve for x
x = 31,159,774,756,940.03/6,131,543.13 - Step 6: Final answer
x = 5,081,881.36
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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.