Finding the Fourth Proportional to 7,710,057.99, 10,639,880.09 and 4,272,299.02
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Solution
The fourth proportional to 7,710,057.99, 10,639,880.09 and 4,272,299.02 is: 5,895,772.68
Step by Step Solution
- Step 1: Write the proportion equation
7,710,057.99 : 10,639,880.09 = 4,272,299.02 : x - Step 2: Convert to fraction form
7,710,057.99/10,639,880.09 = 4,272,299.02/x - Step 3: Cross multiply
7,710,057.99x = 10,639,880.09 × 4,272,299.02 - Step 4: Simplify right side
7,710,057.99x = 45,456,749,281,424.51 - Step 5: Solve for x
x = 45,456,749,281,424.51/7,710,057.99 - Step 6: Final answer
x = 5,895,772.68
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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.