Finding the Fourth Proportional to 5,230,813.99, 7,843,011.56 and 2,032,206.20
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Solution
The fourth proportional to 5,230,813.99, 7,843,011.56 and 2,032,206.20 is: 3,047,062.42
Step by Step Solution
- Step 1: Write the proportion equation
5,230,813.99 : 7,843,011.56 = 2,032,206.20 : x - Step 2: Convert to fraction form
5,230,813.99/7,843,011.56 = 2,032,206.20/x - Step 3: Cross multiply
5,230,813.99x = 7,843,011.56 × 2,032,206.20 - Step 4: Simplify right side
5,230,813.99x = 15,938,616,735,970.94 - Step 5: Solve for x
x = 15,938,616,735,970.94/5,230,813.99 - Step 6: Final answer
x = 3,047,062.42
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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.