Finding the Fourth Proportional to 6,403,438.36, 8,836,955.71 and 3,502,762.85
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Solution
The fourth proportional to 6,403,438.36, 8,836,955.71 and 3,502,762.85 is: 4,833,928.02
Step by Step Solution
- Step 1: Write the proportion equation
6,403,438.36 : 8,836,955.71 = 3,502,762.85 : x - Step 2: Convert to fraction form
6,403,438.36/8,836,955.71 = 3,502,762.85/x - Step 3: Cross multiply
6,403,438.36x = 8,836,955.71 × 3,502,762.85 - Step 4: Simplify right side
6,403,438.36x = 30,953,760,128,477.17 - Step 5: Solve for x
x = 30,953,760,128,477.17/6,403,438.36 - Step 6: Final answer
x = 4,833,928.02
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1.5x scale
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.