Finding the Fourth Proportional to 1,902,485.19, 2,854,166.99 and 640,281.99
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Solution
The fourth proportional to 1,902,485.19, 2,854,166.99 and 640,281.99 is: 960,570.80
Step by Step Solution
- Step 1: Write the proportion equation
1,902,485.19 : 2,854,166.99 = 640,281.99 : x - Step 2: Convert to fraction form
1,902,485.19/2,854,166.99 = 640,281.99/x - Step 3: Cross multiply
1,902,485.19x = 2,854,166.99 × 640,281.99 - Step 4: Simplify right side
1,902,485.19x = 1,827,471,716,948.10 - Step 5: Solve for x
x = 1,827,471,716,948.10/1,902,485.19 - Step 6: Final answer
x = 960,570.80
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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.