Finding the Fourth Proportional to 3,499,485.36, 4,829,289.92 and 1,889,853.36
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Solution
The fourth proportional to 3,499,485.36, 4,829,289.92 and 1,889,853.36 is: 2,607,997.70
Step by Step Solution
- Step 1: Write the proportion equation
3,499,485.36 : 4,829,289.92 = 1,889,853.36 : x - Step 2: Convert to fraction form
3,499,485.36/4,829,289.92 = 1,889,853.36/x - Step 3: Cross multiply
3,499,485.36x = 4,829,289.92 × 1,889,853.36 - Step 4: Simplify right side
3,499,485.36x = 9,126,649,781,726.13 - Step 5: Solve for x
x = 9,126,649,781,726.13/3,499,485.36 - Step 6: Final answer
x = 2,607,997.70
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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.