Finding the Fourth Proportional to 1,625,764.18, 2,243,525.16 and 900,609.70
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Solution
The fourth proportional to 1,625,764.18, 2,243,525.16 and 900,609.70 is: 1,242,825.09
Step by Step Solution
- Step 1: Write the proportion equation
1,625,764.18 : 2,243,525.16 = 900,609.70 : x - Step 2: Convert to fraction form
1,625,764.18/2,243,525.16 = 900,609.70/x - Step 3: Cross multiply
1,625,764.18x = 2,243,525.16 × 900,609.70 - Step 4: Simplify right side
1,625,764.18x = 2,020,540,521,290.05 - Step 5: Solve for x
x = 2,020,540,521,290.05/1,625,764.18 - Step 6: Final answer
x = 1,242,825.09
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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.