Finding the Fourth Proportional to 1,515,699.36, 2,091,664.80 and 836,635.68
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Solution
The fourth proportional to 1,515,699.36, 2,091,664.80 and 836,635.68 is: 1,154,557.06
Step by Step Solution
- Step 1: Write the proportion equation
1,515,699.36 : 2,091,664.80 = 836,635.68 : x - Step 2: Convert to fraction form
1,515,699.36/2,091,664.80 = 836,635.68/x - Step 3: Cross multiply
1,515,699.36x = 2,091,664.80 × 836,635.68 - Step 4: Simplify right side
1,515,699.36x = 1,749,961,402,280.06 - Step 5: Solve for x
x = 1,749,961,402,280.06/1,515,699.36 - Step 6: Final answer
x = 1,154,557.06
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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.