Finding the Fourth Proportional to 1,395,370.20, 2,093,055.30 and 1,376,707.80
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Solution
The fourth proportional to 1,395,370.20, 2,093,055.30 and 1,376,707.80 is: 2,065,061.70
Step by Step Solution
- Step 1: Write the proportion equation
1,395,370.20 : 2,093,055.30 = 1,376,707.80 : x - Step 2: Convert to fraction form
1,395,370.20/2,093,055.30 = 1,376,707.80/x - Step 3: Cross multiply
1,395,370.20x = 2,093,055.30 × 1,376,707.80 - Step 4: Simplify right side
1,395,370.20x = 2,881,525,557,341.34 - Step 5: Solve for x
x = 2,881,525,557,341.34/1,395,370.20 - Step 6: Final answer
x = 2,065,061.70
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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.