Finding the Fourth Proportional to 4,196,258.15, 6,294,387.21 and 2,775,982.07
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Solution
The fourth proportional to 4,196,258.15, 6,294,387.21 and 2,775,982.07 is: 4,163,973.09
Step by Step Solution
- Step 1: Write the proportion equation
4,196,258.15 : 6,294,387.21 = 2,775,982.07 : x - Step 2: Convert to fraction form
4,196,258.15/6,294,387.21 = 2,775,982.07/x - Step 3: Cross multiply
4,196,258.15x = 6,294,387.21 × 2,775,982.07 - Step 4: Simplify right side
4,196,258.15x = 17,473,106,005,125.39 - Step 5: Solve for x
x = 17,473,106,005,125.39/4,196,258.15 - Step 6: Final answer
x = 4,163,973.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.