Finding the Fourth Proportional to 1,930,271.52, 2,663,777.84 and 1,070,831.79
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Solution
The fourth proportional to 1,930,271.52, 2,663,777.84 and 1,070,831.79 is: 1,477,749.61
Step by Step Solution
- Step 1: Write the proportion equation
1,930,271.52 : 2,663,777.84 = 1,070,831.79 : x - Step 2: Convert to fraction form
1,930,271.52/2,663,777.84 = 1,070,831.79/x - Step 3: Cross multiply
1,930,271.52x = 2,663,777.84 × 1,070,831.79 - Step 4: Simplify right side
1,930,271.52x = 2,852,457,987,215.37 - Step 5: Solve for x
x = 2,852,457,987,215.37/1,930,271.52 - Step 6: Final answer
x = 1,477,749.61
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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.