Finding the Fourth Proportional to 3,974,159.98, 5,484,473.17 and 2,232,135.88
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Solution
The fourth proportional to 3,974,159.98, 5,484,473.17 and 2,232,135.88 is: 3,080,421.88
Step by Step Solution
- Step 1: Write the proportion equation
3,974,159.98 : 5,484,473.17 = 2,232,135.88 : x - Step 2: Convert to fraction form
3,974,159.98/5,484,473.17 = 2,232,135.88/x - Step 3: Cross multiply
3,974,159.98x = 5,484,473.17 × 2,232,135.88 - Step 4: Simplify right side
3,974,159.98x = 12,242,089,363,490.86 - Step 5: Solve for x
x = 12,242,089,363,490.86/3,974,159.98 - Step 6: Final answer
x = 3,080,421.88
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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.