Finding the Fourth Proportional to 1,877,893.20, 2,816,132.40 and 679,519.08
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Solution
The fourth proportional to 1,877,893.20, 2,816,132.40 and 679,519.08 is: 1,019,022.65
Step by Step Solution
- Step 1: Write the proportion equation
1,877,893.20 : 2,816,132.40 = 679,519.08 : x - Step 2: Convert to fraction form
1,877,893.20/2,816,132.40 = 679,519.08/x - Step 3: Cross multiply
1,877,893.20x = 2,816,132.40 × 679,519.08 - Step 4: Simplify right side
1,877,893.20x = 1,913,615,697,606.19 - Step 5: Solve for x
x = 1,913,615,697,606.19/1,877,893.20 - Step 6: Final answer
x = 1,019,022.65
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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.