Finding the Fourth Proportional to 1,426,012.50, 2,138,998.60 and 346,532.99
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Solution
The fourth proportional to 1,426,012.50, 2,138,998.60 and 346,532.99 is: 519,794.59
Step by Step Solution
- Step 1: Write the proportion equation
1,426,012.50 : 2,138,998.60 = 346,532.99 : x - Step 2: Convert to fraction form
1,426,012.50/2,138,998.60 = 346,532.99/x - Step 3: Cross multiply
1,426,012.50x = 2,138,998.60 × 346,532.99 - Step 4: Simplify right side
1,426,012.50x = 741,233,578,731.15 - Step 5: Solve for x
x = 741,233,578,731.15/1,426,012.50 - Step 6: Final answer
x = 519,794.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.