Finding the Fourth Proportional to 5,781,968.08, 8,671,385.40 and 2,415,470.80
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Solution
The fourth proportional to 5,781,968.08, 8,671,385.40 and 2,415,470.80 is: 3,622,551.69
Step by Step Solution
- Step 1: Write the proportion equation
5,781,968.08 : 8,671,385.40 = 2,415,470.80 : x - Step 2: Convert to fraction form
5,781,968.08/8,671,385.40 = 2,415,470.80/x - Step 3: Cross multiply
5,781,968.08x = 8,671,385.40 × 2,415,470.80 - Step 4: Simplify right side
5,781,968.08x = 20,945,478,229,246.32 - Step 5: Solve for x
x = 20,945,478,229,246.32/5,781,968.08 - Step 6: Final answer
x = 3,622,551.69
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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.