Finding the Fourth Proportional to 1,855,289.28, 2,565,452.88 and 1,472,651.76
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Solution
The fourth proportional to 1,855,289.28, 2,565,452.88 and 1,472,651.76 is: 2,036,350.20
Step by Step Solution
- Step 1: Write the proportion equation
1,855,289.28 : 2,565,452.88 = 1,472,651.76 : x - Step 2: Convert to fraction form
1,855,289.28/2,565,452.88 = 1,472,651.76/x - Step 3: Cross multiply
1,855,289.28x = 2,565,452.88 × 1,472,651.76 - Step 4: Simplify right side
1,855,289.28x = 3,778,018,698,929.07 - Step 5: Solve for x
x = 3,778,018,698,929.07/1,855,289.28 - Step 6: Final answer
x = 2,036,350.20
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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.