Finding the Fourth Proportional to 4,630,811.76, 6,387,006.06 and 4,056,855.48
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Solution
The fourth proportional to 4,630,811.76, 6,387,006.06 and 4,056,855.48 is: 5,595,381.95
Step by Step Solution
- Step 1: Write the proportion equation
4,630,811.76 : 6,387,006.06 = 4,056,855.48 : x - Step 2: Convert to fraction form
4,630,811.76/6,387,006.06 = 4,056,855.48/x - Step 3: Cross multiply
4,630,811.76x = 6,387,006.06 × 4,056,855.48 - Step 4: Simplify right side
4,630,811.76x = 25,911,160,535,304.21 - Step 5: Solve for x
x = 25,911,160,535,304.21/4,630,811.76 - Step 6: Final answer
x = 5,595,381.95
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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.