Finding the Fourth Proportional to 6,547,406.73, 9,034,495.62 and 3,718,356.99
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Solution
The fourth proportional to 6,547,406.73, 9,034,495.62 and 3,718,356.99 is: 5,130,806.95
Step by Step Solution
- Step 1: Write the proportion equation
6,547,406.73 : 9,034,495.62 = 3,718,356.99 : x - Step 2: Convert to fraction form
6,547,406.73/9,034,495.62 = 3,718,356.99/x - Step 3: Cross multiply
6,547,406.73x = 9,034,495.62 × 3,718,356.99 - Step 4: Simplify right side
6,547,406.73x = 33,593,479,939,751.38 - Step 5: Solve for x
x = 33,593,479,939,751.38/6,547,406.73 - Step 6: Final answer
x = 5,130,806.95
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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.