Finding the Fourth Proportional to 1,515,228.36, 2,091,004.84 and 836,164.92
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Solution
The fourth proportional to 1,515,228.36, 2,091,004.84 and 836,164.92 is: 1,153,901.91
Step by Step Solution
- Step 1: Write the proportion equation
1,515,228.36 : 2,091,004.84 = 836,164.92 : x - Step 2: Convert to fraction form
1,515,228.36/2,091,004.84 = 836,164.92/x - Step 3: Cross multiply
1,515,228.36x = 2,091,004.84 × 836,164.92 - Step 4: Simplify right side
1,515,228.36x = 1,748,424,894,758.21 - Step 5: Solve for x
x = 1,748,424,894,758.21/1,515,228.36 - Step 6: Final answer
x = 1,153,901.91
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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.