Finding the Fourth Proportional to 6,963,891.20, 10,446,316.68 and 2,916,303.68
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Solution
The fourth proportional to 6,963,891.20, 10,446,316.68 and 2,916,303.68 is: 4,374,656.48
Step by Step Solution
- Step 1: Write the proportion equation
6,963,891.20 : 10,446,316.68 = 2,916,303.68 : x - Step 2: Convert to fraction form
6,963,891.20/10,446,316.68 = 2,916,303.68/x - Step 3: Cross multiply
6,963,891.20x = 10,446,316.68 × 2,916,303.68 - Step 4: Simplify right side
6,963,891.20x = 30,464,631,776,329.38 - Step 5: Solve for x
x = 30,464,631,776,329.38/6,963,891.20 - Step 6: Final answer
x = 4,374,656.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.