Finding the Fourth Proportional to 3,462,434.63, 4,778,407.06 and 1,913,662.99
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Solution
The fourth proportional to 3,462,434.63, 4,778,407.06 and 1,913,662.99 is: 2,640,991.59
Step by Step Solution
- Step 1: Write the proportion equation
3,462,434.63 : 4,778,407.06 = 1,913,662.99 : x - Step 2: Convert to fraction form
3,462,434.63/4,778,407.06 = 1,913,662.99/x - Step 3: Cross multiply
3,462,434.63x = 4,778,407.06 × 1,913,662.99 - Step 4: Simplify right side
3,462,434.63x = 9,144,260,741,876.71 - Step 5: Solve for x
x = 9,144,260,741,876.71/3,462,434.63 - Step 6: Final answer
x = 2,640,991.59
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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.