Finding the Fourth Proportional to 1,658,447.28, 2,288,701.44 and 933,320.88
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Solution
The fourth proportional to 1,658,447.28, 2,288,701.44 and 933,320.88 is: 1,288,007.69
Step by Step Solution
- Step 1: Write the proportion equation
1,658,447.28 : 2,288,701.44 = 933,320.88 : x - Step 2: Convert to fraction form
1,658,447.28/2,288,701.44 = 933,320.88/x - Step 3: Cross multiply
1,658,447.28x = 2,288,701.44 × 933,320.88 - Step 4: Simplify right side
1,658,447.28x = 2,136,092,842,038.07 - Step 5: Solve for x
x = 2,136,092,842,038.07/1,658,447.28 - Step 6: Final answer
x = 1,288,007.69
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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.