Finding the Fourth Proportional to 4,878,812.94, 6,732,801.68 and 2,703,392.40
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Solution
The fourth proportional to 4,878,812.94, 6,732,801.68 and 2,703,392.40 is: 3,730,703.58
Step by Step Solution
- Step 1: Write the proportion equation
4,878,812.94 : 6,732,801.68 = 2,703,392.40 : x - Step 2: Convert to fraction form
4,878,812.94/6,732,801.68 = 2,703,392.40/x - Step 3: Cross multiply
4,878,812.94x = 6,732,801.68 × 2,703,392.40 - Step 4: Simplify right side
4,878,812.94x = 18,201,404,892,419.23 - Step 5: Solve for x
x = 18,201,404,892,419.23/4,878,812.94 - Step 6: Final answer
x = 3,730,703.58
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1.5x scale
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.