Finding the Fourth Proportional to 5,617,549.99, 7,757,572.98 and 5,311,510.30
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Solution
The fourth proportional to 5,617,549.99, 7,757,572.98 and 5,311,510.30 is: 7,334,946.53
Step by Step Solution
- Step 1: Write the proportion equation
5,617,549.99 : 7,757,572.98 = 5,311,510.30 : x - Step 2: Convert to fraction form
5,617,549.99/7,757,572.98 = 5,311,510.30/x - Step 3: Cross multiply
5,617,549.99x = 7,757,572.98 × 5,311,510.30 - Step 4: Simplify right side
5,617,549.99x = 41,204,428,786,271.70 - Step 5: Solve for x
x = 41,204,428,786,271.70/5,617,549.99 - Step 6: Final answer
x = 7,334,946.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.