Finding the Fourth Proportional to 2,106,140.07, 3,158,607.47 and 686,320.23
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Solution
The fourth proportional to 2,106,140.07, 3,158,607.47 and 686,320.23 is: 1,029,283.96
Step by Step Solution
- Step 1: Write the proportion equation
2,106,140.07 : 3,158,607.47 = 686,320.23 : x - Step 2: Convert to fraction form
2,106,140.07/3,158,607.47 = 686,320.23/x - Step 3: Cross multiply
2,106,140.07x = 3,158,607.47 × 686,320.23 - Step 4: Simplify right side
2,106,140.07x = 2,167,816,201,858.52 - Step 5: Solve for x
x = 2,167,816,201,858.52/2,106,140.07 - Step 6: Final answer
x = 1,029,283.96
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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.