Finding the Fourth Proportional to 1,871,554.48, 2,582,774.70 and 1,055,774.08
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Solution
The fourth proportional to 1,871,554.48, 2,582,774.70 and 1,055,774.08 is: 1,456,984.88
Step by Step Solution
- Step 1: Write the proportion equation
1,871,554.48 : 2,582,774.70 = 1,055,774.08 : x - Step 2: Convert to fraction form
1,871,554.48/2,582,774.70 = 1,055,774.08/x - Step 3: Cross multiply
1,871,554.48x = 2,582,774.70 × 1,055,774.08 - Step 4: Simplify right side
1,871,554.48x = 2,726,826,582,739.78 - Step 5: Solve for x
x = 2,726,826,582,739.78/1,871,554.48 - Step 6: Final answer
x = 1,456,984.88
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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.