Finding the Fourth Proportional to 1,565,536.24, 2,160,403.46 and 920,997.94
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Solution
The fourth proportional to 1,565,536.24, 2,160,403.46 and 920,997.94 is: 1,270,955.65
Step by Step Solution
- Step 1: Write the proportion equation
1,565,536.24 : 2,160,403.46 = 920,997.94 : x - Step 2: Convert to fraction form
1,565,536.24/2,160,403.46 = 920,997.94/x - Step 3: Cross multiply
1,565,536.24x = 2,160,403.46 × 920,997.94 - Step 4: Simplify right side
1,565,536.24x = 1,989,727,136,228.87 - Step 5: Solve for x
x = 1,989,727,136,228.87/1,565,536.24 - Step 6: Final answer
x = 1,270,955.65
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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.