Finding the Fourth Proportional to 1,777,718.07, 2,452,822.74 and 1,079,978.63
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Solution
The fourth proportional to 1,777,718.07, 2,452,822.74 and 1,079,978.63 is: 1,490,110.37
Step by Step Solution
- Step 1: Write the proportion equation
1,777,718.07 : 2,452,822.74 = 1,079,978.63 : x - Step 2: Convert to fraction form
1,777,718.07/2,452,822.74 = 1,079,978.63/x - Step 3: Cross multiply
1,777,718.07x = 2,452,822.74 × 1,079,978.63 - Step 4: Simplify right side
1,777,718.07x = 2,648,996,130,113.93 - Step 5: Solve for x
x = 2,648,996,130,113.93/1,777,718.07 - Step 6: Final answer
x = 1,490,110.37
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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.