Finding the Fourth Proportional to 4,838,285.94, 6,676,490.07 and 2,878,055.97
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Solution
The fourth proportional to 4,838,285.94, 6,676,490.07 and 2,878,055.97 is: 3,971,512.30
Step by Step Solution
- Step 1: Write the proportion equation
4,838,285.94 : 6,676,490.07 = 2,878,055.97 : x - Step 2: Convert to fraction form
4,838,285.94/6,676,490.07 = 2,878,055.97/x - Step 3: Cross multiply
4,838,285.94x = 6,676,490.07 × 2,878,055.97 - Step 4: Simplify right side
4,838,285.94x = 19,215,312,104,609.22 - Step 5: Solve for x
x = 19,215,312,104,609.22/4,838,285.94 - Step 6: Final answer
x = 3,971,512.30
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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.