Finding the Fourth Proportional to 5,621,657.58, 7,757,904.95 and 3,043,332.20
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Solution
The fourth proportional to 5,621,657.58, 7,757,904.95 and 3,043,332.20 is: 4,199,807.91
Step by Step Solution
- Step 1: Write the proportion equation
5,621,657.58 : 7,757,904.95 = 3,043,332.20 : x - Step 2: Convert to fraction form
5,621,657.58/7,757,904.95 = 3,043,332.20/x - Step 3: Cross multiply
5,621,657.58x = 7,757,904.95 × 3,043,332.20 - Step 4: Simplify right side
5,621,657.58x = 23,609,881,971,583.73 - Step 5: Solve for x
x = 23,609,881,971,583.73/5,621,657.58 - Step 6: Final answer
x = 4,199,807.91
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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.