Finding the Fourth Proportional to 5,781,978.08, 8,671,400.40 and 2,415,480.80
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Solution
The fourth proportional to 5,781,978.08, 8,671,400.40 and 2,415,480.80 is: 3,622,566.69
Step by Step Solution
- Step 1: Write the proportion equation
5,781,978.08 : 8,671,400.40 = 2,415,480.80 : x - Step 2: Convert to fraction form
5,781,978.08/8,671,400.40 = 2,415,480.80/x - Step 3: Cross multiply
5,781,978.08x = 8,671,400.40 × 2,415,480.80 - Step 4: Simplify right side
5,781,978.08x = 20,945,601,175,312.32 - Step 5: Solve for x
x = 20,945,601,175,312.32/5,781,978.08 - Step 6: Final answer
x = 3,622,566.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.