Finding the Fourth Proportional to 1,515,201.34, 2,091,415.09 and 895,580.50
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Solution
The fourth proportional to 1,515,201.34, 2,091,415.09 and 895,580.50 is: 1,236,159.53
Step by Step Solution
- Step 1: Write the proportion equation
1,515,201.34 : 2,091,415.09 = 895,580.50 : x - Step 2: Convert to fraction form
1,515,201.34/2,091,415.09 = 895,580.50/x - Step 3: Cross multiply
1,515,201.34x = 2,091,415.09 × 895,580.50 - Step 4: Simplify right side
1,515,201.34x = 1,873,030,572,009.75 - Step 5: Solve for x
x = 1,873,030,572,009.75/1,515,201.34 - Step 6: Final answer
x = 1,236,159.53
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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.