Finding the Fourth Proportional to 3,121,205.06, 4,681,807.63 and 877,343.06
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Solution
The fourth proportional to 3,121,205.06, 4,681,807.63 and 877,343.06 is: 1,316,014.60
Step by Step Solution
- Step 1: Write the proportion equation
3,121,205.06 : 4,681,807.63 = 877,343.06 : x - Step 2: Convert to fraction form
3,121,205.06/4,681,807.63 = 877,343.06/x - Step 3: Cross multiply
3,121,205.06x = 4,681,807.63 × 877,343.06 - Step 4: Simplify right side
3,121,205.06x = 4,107,551,441,946.71 - Step 5: Solve for x
x = 4,107,551,441,946.71/3,121,205.06 - Step 6: Final answer
x = 1,316,014.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.