Finding the Fourth Proportional to 1,515,637.17, 2,091,581.19 and 836,573.67
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Solution
The fourth proportional to 1,515,637.17, 2,091,581.19 and 836,573.67 is: 1,154,472.71
Step by Step Solution
- Step 1: Write the proportion equation
1,515,637.17 : 2,091,581.19 = 836,573.67 : x - Step 2: Convert to fraction form
1,515,637.17/2,091,581.19 = 836,573.67/x - Step 3: Cross multiply
1,515,637.17x = 2,091,581.19 × 836,573.67 - Step 4: Simplify right side
1,515,637.17x = 1,749,761,752,221.27 - Step 5: Solve for x
x = 1,749,761,752,221.27/1,515,637.17 - Step 6: Final answer
x = 1,154,472.71
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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.