Finding the Fourth Proportional to 1,191,197.52, 1,643,847.16 and 647,323.02
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Solution
The fourth proportional to 1,191,197.52, 1,643,847.16 and 647,323.02 is: 893,302.82
Step by Step Solution
- Step 1: Write the proportion equation
1,191,197.52 : 1,643,847.16 = 647,323.02 : x - Step 2: Convert to fraction form
1,191,197.52/1,643,847.16 = 647,323.02/x - Step 3: Cross multiply
1,191,197.52x = 1,643,847.16 × 647,323.02 - Step 4: Simplify right side
1,191,197.52x = 1,064,100,108,029.62 - Step 5: Solve for x
x = 1,064,100,108,029.62/1,191,197.52 - Step 6: Final answer
x = 893,302.82
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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.