Finding the Fourth Proportional to 1,590,844.19, 2,195,365.34 and 875,452.19
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Solution
The fourth proportional to 1,590,844.19, 2,195,365.34 and 875,452.19 is: 1,208,124.22
Step by Step Solution
- Step 1: Write the proportion equation
1,590,844.19 : 2,195,365.34 = 875,452.19 : x - Step 2: Convert to fraction form
1,590,844.19/2,195,365.34 = 875,452.19/x - Step 3: Cross multiply
1,590,844.19x = 2,195,365.34 × 875,452.19 - Step 4: Simplify right side
1,590,844.19x = 1,921,937,394,753.09 - Step 5: Solve for x
x = 1,921,937,394,753.09/1,590,844.19 - Step 6: Final answer
x = 1,208,124.22
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1.5x scale
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.