Finding the Fourth Proportional to 1,992,526.24, 2,749,695.12 and 1,087,127.20
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Solution
The fourth proportional to 1,992,526.24, 2,749,695.12 and 1,087,127.20 is: 1,500,240.40
Step by Step Solution
- Step 1: Write the proportion equation
1,992,526.24 : 2,749,695.12 = 1,087,127.20 : x - Step 2: Convert to fraction form
1,992,526.24/2,749,695.12 = 1,087,127.20/x - Step 3: Cross multiply
1,992,526.24x = 2,749,695.12 × 1,087,127.20 - Step 4: Simplify right side
1,992,526.24x = 2,989,268,356,659.26 - Step 5: Solve for x
x = 2,989,268,356,659.26/1,992,526.24 - Step 6: Final answer
x = 1,500,240.40
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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.