Finding the Fourth Proportional to 4,374,164.80, 6,561,247.20 and 4,197,017.80
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Solution
The fourth proportional to 4,374,164.80, 6,561,247.20 and 4,197,017.80 is: 6,295,526.70
Step by Step Solution
- Step 1: Write the proportion equation
4,374,164.80 : 6,561,247.20 = 4,197,017.80 : x - Step 2: Convert to fraction form
4,374,164.80/6,561,247.20 = 4,197,017.80/x - Step 3: Cross multiply
4,374,164.80x = 6,561,247.20 × 4,197,017.80 - Step 4: Simplify right side
4,374,164.80x = 27,537,671,288,600.16 - Step 5: Solve for x
x = 27,537,671,288,600.16/4,374,164.80 - Step 6: Final answer
x = 6,295,526.70
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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.