Finding the Fourth Proportional to 2,084,569.68, 3,127,393.65 and 1,220,734.14
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Solution
The fourth proportional to 2,084,569.68, 3,127,393.65 and 1,220,734.14 is: 1,831,416.93
Step by Step Solution
- Step 1: Write the proportion equation
2,084,569.68 : 3,127,393.65 = 1,220,734.14 : x - Step 2: Convert to fraction form
2,084,569.68/3,127,393.65 = 1,220,734.14/x - Step 3: Cross multiply
2,084,569.68x = 3,127,393.65 × 1,220,734.14 - Step 4: Simplify right side
2,084,569.68x = 3,817,716,201,349.20 - Step 5: Solve for x
x = 3,817,716,201,349.20/2,084,569.68 - Step 6: Final answer
x = 1,831,416.93
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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.