Finding the Fourth Proportional to 1,515,194.66, 2,090,958.35 and 836,131.16
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Solution
The fourth proportional to 1,515,194.66, 2,090,958.35 and 836,131.16 is: 1,153,855.32
Step by Step Solution
- Step 1: Write the proportion equation
1,515,194.66 : 2,090,958.35 = 836,131.16 : x - Step 2: Convert to fraction form
1,515,194.66/2,090,958.35 = 836,131.16/x - Step 3: Cross multiply
1,515,194.66x = 2,090,958.35 × 836,131.16 - Step 4: Simplify right side
1,515,194.66x = 1,748,315,416,061.74 - Step 5: Solve for x
x = 1,748,315,416,061.74/1,515,194.66 - Step 6: Final answer
x = 1,153,855.32
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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.