Finding the Fourth Proportional to 2,219,710.02, 3,063,207.95 and 1,201,114.77
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Solution
The fourth proportional to 2,219,710.02, 3,063,207.95 and 1,201,114.77 is: 1,657,542.78
Step by Step Solution
- Step 1: Write the proportion equation
2,219,710.02 : 3,063,207.95 = 1,201,114.77 : x - Step 2: Convert to fraction form
2,219,710.02/3,063,207.95 = 1,201,114.77/x - Step 3: Cross multiply
2,219,710.02x = 3,063,207.95 × 1,201,114.77 - Step 4: Simplify right side
2,219,710.02x = 3,679,264,312,326.42 - Step 5: Solve for x
x = 3,679,264,312,326.42/2,219,710.02 - Step 6: Final answer
x = 1,657,542.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.