Finding the Fourth Proportional to 4,429,573.80, 6,642,416.70 and 2,032,621.80
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Solution
The fourth proportional to 4,429,573.80, 6,642,416.70 and 2,032,621.80 is: 3,048,040.65
Step by Step Solution
- Step 1: Write the proportion equation
4,429,573.80 : 6,642,416.70 = 2,032,621.80 : x - Step 2: Convert to fraction form
4,429,573.80/6,642,416.70 = 2,032,621.80/x - Step 3: Cross multiply
4,429,573.80x = 6,642,416.70 × 2,032,621.80 - Step 4: Simplify right side
4,429,573.80x = 13,501,520,989,104.06 - Step 5: Solve for x
x = 13,501,520,989,104.06/4,429,573.80 - Step 6: Final answer
x = 3,048,040.65
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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.