Finding the Fourth Proportional to 2,900,296.58, 4,350,666.29 and 878,707.94
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Solution
The fourth proportional to 2,900,296.58, 4,350,666.29 and 878,707.94 is: 1,318,128.99
Step by Step Solution
- Step 1: Write the proportion equation
2,900,296.58 : 4,350,666.29 = 878,707.94 : x - Step 2: Convert to fraction form
2,900,296.58/4,350,666.29 = 878,707.94/x - Step 3: Cross multiply
2,900,296.58x = 4,350,666.29 × 878,707.94 - Step 4: Simplify right side
2,900,296.58x = 3,822,964,987,166.47 - Step 5: Solve for x
x = 3,822,964,987,166.47/2,900,296.58 - Step 6: Final answer
x = 1,318,128.99
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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.