Finding the Fourth Proportional to 5,122,841.19, 7,684,261.79 and 1,928,683.95
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Solution
The fourth proportional to 5,122,841.19, 7,684,261.79 and 1,928,683.95 is: 2,893,025.93
Step by Step Solution
- Step 1: Write the proportion equation
5,122,841.19 : 7,684,261.79 = 1,928,683.95 : x - Step 2: Convert to fraction form
5,122,841.19/7,684,261.79 = 1,928,683.95/x - Step 3: Cross multiply
5,122,841.19x = 7,684,261.79 × 1,928,683.95 - Step 4: Simplify right side
5,122,841.19x = 14,820,512,381,971.27 - Step 5: Solve for x
x = 14,820,512,381,971.27/5,122,841.19 - Step 6: Final answer
x = 2,893,025.93
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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.