Finding the Fourth Proportional to 4,727,356.90, 7,092,784.95 and 1,889,505.70
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Solution
The fourth proportional to 4,727,356.90, 7,092,784.95 and 1,889,505.70 is: 2,834,957.86
Step by Step Solution
- Step 1: Write the proportion equation
4,727,356.90 : 7,092,784.95 = 1,889,505.70 : x - Step 2: Convert to fraction form
4,727,356.90/7,092,784.95 = 1,889,505.70/x - Step 3: Cross multiply
4,727,356.90x = 7,092,784.95 × 1,889,505.70 - Step 4: Simplify right side
4,727,356.90x = 13,401,857,591,899.21 - Step 5: Solve for x
x = 13,401,857,591,899.21/4,727,356.90 - Step 6: Final answer
x = 2,834,957.86
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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.