Finding the Fourth Proportional to 3,967,831.92, 5,475,257.82 and 2,201,774.52
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Solution
The fourth proportional to 3,967,831.92, 5,475,257.82 and 2,201,774.52 is: 3,038,254.49
Step by Step Solution
- Step 1: Write the proportion equation
3,967,831.92 : 5,475,257.82 = 2,201,774.52 : x - Step 2: Convert to fraction form
3,967,831.92/5,475,257.82 = 2,201,774.52/x - Step 3: Cross multiply
3,967,831.92x = 5,475,257.82 × 2,201,774.52 - Step 4: Simplify right side
3,967,831.92x = 12,055,283,158,506.75 - Step 5: Solve for x
x = 12,055,283,158,506.75/3,967,831.92 - Step 6: Final answer
x = 3,038,254.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.