Finding the Fourth Proportional to 4,642,295.16, 6,406,827.66 and 2,605,112.76
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Solution
The fourth proportional to 4,642,295.16, 6,406,827.66 and 2,605,112.76 is: 3,595,313.94
Step by Step Solution
- Step 1: Write the proportion equation
4,642,295.16 : 6,406,827.66 = 2,605,112.76 : x - Step 2: Convert to fraction form
4,642,295.16/6,406,827.66 = 2,605,112.76/x - Step 3: Cross multiply
4,642,295.16x = 6,406,827.66 × 2,605,112.76 - Step 4: Simplify right side
4,642,295.16x = 16,690,508,488,186.94 - Step 5: Solve for x
x = 16,690,508,488,186.94/4,642,295.16 - Step 6: Final answer
x = 3,595,313.94
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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.