Finding the Fourth Proportional to 5,430,758.69, 7,494,451.93 and 2,983,528.28
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Solution
The fourth proportional to 5,430,758.69, 7,494,451.93 and 2,983,528.28 is: 4,117,271.74
Step by Step Solution
- Step 1: Write the proportion equation
5,430,758.69 : 7,494,451.93 = 2,983,528.28 : x - Step 2: Convert to fraction form
5,430,758.69/7,494,451.93 = 2,983,528.28/x - Step 3: Cross multiply
5,430,758.69x = 7,494,451.93 × 2,983,528.28 - Step 4: Simplify right side
5,430,758.69x = 22,359,909,276,255.58 - Step 5: Solve for x
x = 22,359,909,276,255.58/5,430,758.69 - Step 6: Final answer
x = 4,117,271.74
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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.