Finding the Fourth Proportional to 1,728,070.60, 2,590,809.90 and 887,225.80
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Solution
The fourth proportional to 1,728,070.60, 2,590,809.90 and 887,225.80 is: 1,330,173.31
Step by Step Solution
- Step 1: Write the proportion equation
1,728,070.60 : 2,590,809.90 = 887,225.80 : x - Step 2: Convert to fraction form
1,728,070.60/2,590,809.90 = 887,225.80/x - Step 3: Cross multiply
1,728,070.60x = 2,590,809.90 × 887,225.80 - Step 4: Simplify right side
1,728,070.60x = 2,298,633,386,175.42 - Step 5: Solve for x
x = 2,298,633,386,175.42/1,728,070.60 - Step 6: Final answer
x = 1,330,173.31
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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.