Finding the Fourth Proportional to 3,387,909.12, 4,675,322.40 and 1,860,114.24
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Solution
The fourth proportional to 3,387,909.12, 4,675,322.40 and 1,860,114.24 is: 2,566,961.94
Step by Step Solution
- Step 1: Write the proportion equation
3,387,909.12 : 4,675,322.40 = 1,860,114.24 : x - Step 2: Convert to fraction form
3,387,909.12/4,675,322.40 = 1,860,114.24/x - Step 3: Cross multiply
3,387,909.12x = 4,675,322.40 × 1,860,114.24 - Step 4: Simplify right side
3,387,909.12x = 8,696,633,772,830.98 - Step 5: Solve for x
x = 8,696,633,772,830.98/3,387,909.12 - Step 6: Final answer
x = 2,566,961.94
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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.