Finding the Fourth Proportional to 1,936,397.92, 2,904,203.76 and 1,216,418.08
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Solution
The fourth proportional to 1,936,397.92, 2,904,203.76 and 1,216,418.08 is: 1,824,380.17
Step by Step Solution
- Step 1: Write the proportion equation
1,936,397.92 : 2,904,203.76 = 1,216,418.08 : x - Step 2: Convert to fraction form
1,936,397.92/2,904,203.76 = 1,216,418.08/x - Step 3: Cross multiply
1,936,397.92x = 2,904,203.76 × 1,216,418.08 - Step 4: Simplify right side
1,936,397.92x = 3,532,725,961,667.98 - Step 5: Solve for x
x = 3,532,725,961,667.98/1,936,397.92 - Step 6: Final answer
x = 1,824,380.17
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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.