Finding the Fourth Proportional to 1,707,395.70, 2,356,340.49 and 972,381.24
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Solution
The fourth proportional to 1,707,395.70, 2,356,340.49 and 972,381.24 is: 1,341,962.67
Step by Step Solution
- Step 1: Write the proportion equation
1,707,395.70 : 2,356,340.49 = 972,381.24 : x - Step 2: Convert to fraction form
1,707,395.70/2,356,340.49 = 972,381.24/x - Step 3: Cross multiply
1,707,395.70x = 2,356,340.49 × 972,381.24 - Step 4: Simplify right side
1,707,395.70x = 2,291,261,287,528.41 - Step 5: Solve for x
x = 2,291,261,287,528.41/1,707,395.70 - Step 6: Final answer
x = 1,341,962.67
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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.