Finding the Fourth Proportional to 5,575,358.74, 7,694,113.44 and 3,128,146.75
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Solution
The fourth proportional to 5,575,358.74, 7,694,113.44 and 3,128,146.75 is: 4,316,908.93
Step by Step Solution
- Step 1: Write the proportion equation
5,575,358.74 : 7,694,113.44 = 3,128,146.75 : x - Step 2: Convert to fraction form
5,575,358.74/7,694,113.44 = 3,128,146.75/x - Step 3: Cross multiply
5,575,358.74x = 7,694,113.44 × 3,128,146.75 - Step 4: Simplify right side
5,575,358.74x = 24,068,315,951,467.32 - Step 5: Solve for x
x = 24,068,315,951,467.32/5,575,358.74 - Step 6: Final answer
x = 4,316,908.93
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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.