Finding the Fourth Proportional to 5,915,831.63, 8,163,848.25 and 3,199,577.63
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Solution
The fourth proportional to 5,915,831.63, 8,163,848.25 and 3,199,577.63 is: 4,415,417.45
Step by Step Solution
- Step 1: Write the proportion equation
5,915,831.63 : 8,163,848.25 = 3,199,577.63 : x - Step 2: Convert to fraction form
5,915,831.63/8,163,848.25 = 3,199,577.63/x - Step 3: Cross multiply
5,915,831.63x = 8,163,848.25 × 3,199,577.63 - Step 4: Simplify right side
5,915,831.63x = 26,120,866,194,595.41 - Step 5: Solve for x
x = 26,120,866,194,595.41/5,915,831.63 - Step 6: Final answer
x = 4,415,417.45
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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.