Finding the Fourth Proportional to 1,769,652.03, 2,652,796.37 and 1,128,155.07
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Solution
The fourth proportional to 1,769,652.03, 2,652,796.37 and 1,128,155.07 is: 1,691,160.53
Step by Step Solution
- Step 1: Write the proportion equation
1,769,652.03 : 2,652,796.37 = 1,128,155.07 : x - Step 2: Convert to fraction form
1,769,652.03/2,652,796.37 = 1,128,155.07/x - Step 3: Cross multiply
1,769,652.03x = 2,652,796.37 × 1,128,155.07 - Step 4: Simplify right side
1,769,652.03x = 2,992,765,668,852.32 - Step 5: Solve for x
x = 2,992,765,668,852.32/1,769,652.03 - Step 6: Final answer
x = 1,691,160.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.