Finding the Fourth Proportional to 4,746,476.04, 7,139,918.16 and 4,302,550.14
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Solution
The fourth proportional to 4,746,476.04, 7,139,918.16 and 4,302,550.14 is: 6,472,139.67
Step by Step Solution
- Step 1: Write the proportion equation
4,746,476.04 : 7,139,918.16 = 4,302,550.14 : x - Step 2: Convert to fraction form
4,746,476.04/7,139,918.16 = 4,302,550.14/x - Step 3: Cross multiply
4,746,476.04x = 7,139,918.16 × 4,302,550.14 - Step 4: Simplify right side
4,746,476.04x = 30,719,855,878,896.54 - Step 5: Solve for x
x = 30,719,855,878,896.54/4,746,476.04 - Step 6: Final answer
x = 6,472,139.67
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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.