Finding the Fourth Proportional to 5,127,082.91, 7,688,257.23 and 1,887,807.05
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Solution
The fourth proportional to 5,127,082.91, 7,688,257.23 and 1,887,807.05 is: 2,830,838.99
Step by Step Solution
- Step 1: Write the proportion equation
5,127,082.91 : 7,688,257.23 = 1,887,807.05 : x - Step 2: Convert to fraction form
5,127,082.91/7,688,257.23 = 1,887,807.05/x - Step 3: Cross multiply
5,127,082.91x = 7,688,257.23 × 1,887,807.05 - Step 4: Simplify right side
5,127,082.91x = 14,513,946,201,007.47 - Step 5: Solve for x
x = 14,513,946,201,007.47/5,127,082.91 - Step 6: Final answer
x = 2,830,838.99
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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.