Finding the Fourth Proportional to 5,103,817.79, 7,657,221.35 and 1,509,680.45
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Solution
The fourth proportional to 5,103,817.79, 7,657,221.35 and 1,509,680.45 is: 2,264,962.80
Step by Step Solution
- Step 1: Write the proportion equation
5,103,817.79 : 7,657,221.35 = 1,509,680.45 : x - Step 2: Convert to fraction form
5,103,817.79/7,657,221.35 = 1,509,680.45/x - Step 3: Cross multiply
5,103,817.79x = 7,657,221.35 × 1,509,680.45 - Step 4: Simplify right side
5,103,817.79x = 11,559,957,396,334.86 - Step 5: Solve for x
x = 11,559,957,396,334.86/5,103,817.79 - Step 6: Final answer
x = 2,264,962.80
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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.