Finding the Fourth Proportional to 2,128,625.68, 3,190,166.16 and 864,976
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Solution
The fourth proportional to 2,128,625.68, 3,190,166.16 and 864,976 is: 1,296,337.44
Step by Step Solution
- Step 1: Write the proportion equation
2,128,625.68 : 3,190,166.16 = 864,976 : x - Step 2: Convert to fraction form
2,128,625.68/3,190,166.16 = 864,976/x - Step 3: Cross multiply
2,128,625.68x = 3,190,166.16 × 864,976 - Step 4: Simplify right side
2,128,625.68x = 2,759,417,164,412.16 - Step 5: Solve for x
x = 2,759,417,164,412.16/2,128,625.68 - Step 6: Final answer
x = 1,296,337.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.