Finding the Fourth Proportional to 4,878,745.79, 6,732,662.58 and 2,703,429.81
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Solution
The fourth proportional to 4,878,745.79, 6,732,662.58 and 2,703,429.81 is: 3,730,729.47
Step by Step Solution
- Step 1: Write the proportion equation
4,878,745.79 : 6,732,662.58 = 2,703,429.81 : x - Step 2: Convert to fraction form
4,878,745.79/6,732,662.58 = 2,703,429.81/x - Step 3: Cross multiply
4,878,745.79x = 6,732,662.58 × 2,703,429.81 - Step 4: Simplify right side
4,878,745.79x = 18,201,280,719,443.51 - Step 5: Solve for x
x = 18,201,280,719,443.51/4,878,745.79 - Step 6: Final answer
x = 3,730,729.47
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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.