Finding the Fourth Proportional to 2,830,421.08, 3,906,044.60 and 1,606,611.32
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Solution
The fourth proportional to 2,830,421.08, 3,906,044.60 and 1,606,611.32 is: 2,217,159.67
Step by Step Solution
- Step 1: Write the proportion equation
2,830,421.08 : 3,906,044.60 = 1,606,611.32 : x - Step 2: Convert to fraction form
2,830,421.08/3,906,044.60 = 1,606,611.32/x - Step 3: Cross multiply
2,830,421.08x = 3,906,044.60 × 1,606,611.32 - Step 4: Simplify right side
2,830,421.08x = 6,275,495,470,784.87 - Step 5: Solve for x
x = 6,275,495,470,784.87/2,830,421.08 - Step 6: Final answer
x = 2,217,159.67
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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.