Finding the Fourth Proportional to 1,512,782.42, 2,086,828.80 and 968,332.42
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Solution
The fourth proportional to 1,512,782.42, 2,086,828.80 and 968,332.42 is: 1,335,779.65
Step by Step Solution
- Step 1: Write the proportion equation
1,512,782.42 : 2,086,828.80 = 968,332.42 : x - Step 2: Convert to fraction form
1,512,782.42/2,086,828.80 = 968,332.42/x - Step 3: Cross multiply
1,512,782.42x = 2,086,828.80 × 968,332.42 - Step 4: Simplify right side
1,512,782.42x = 2,020,743,971,595.55 - Step 5: Solve for x
x = 2,020,743,971,595.55/1,512,782.42 - Step 6: Final answer
x = 1,335,779.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.