Finding the Fourth Proportional to 4,313,854.35, 5,953,646.21 and 2,478,309.17
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Solution
The fourth proportional to 4,313,854.35, 5,953,646.21 and 2,478,309.17 is: 3,420,369.53
Step by Step Solution
- Step 1: Write the proportion equation
4,313,854.35 : 5,953,646.21 = 2,478,309.17 : x - Step 2: Convert to fraction form
4,313,854.35/5,953,646.21 = 2,478,309.17/x - Step 3: Cross multiply
4,313,854.35x = 5,953,646.21 × 2,478,309.17 - Step 4: Simplify right side
4,313,854.35x = 14,754,975,955,018.97 - Step 5: Solve for x
x = 14,754,975,955,018.97/4,313,854.35 - Step 6: Final answer
x = 3,420,369.53
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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.