Finding the Fourth Proportional to 1,897,615.85, 2,618,739.40 and 1,038,190.46
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Solution
The fourth proportional to 1,897,615.85, 2,618,739.40 and 1,038,190.46 is: 1,432,718.99
Step by Step Solution
- Step 1: Write the proportion equation
1,897,615.85 : 2,618,739.40 = 1,038,190.46 : x - Step 2: Convert to fraction form
1,897,615.85/2,618,739.40 = 1,038,190.46/x - Step 3: Cross multiply
1,897,615.85x = 2,618,739.40 × 1,038,190.46 - Step 4: Simplify right side
1,897,615.85x = 2,718,750,262,306.12 - Step 5: Solve for x
x = 2,718,750,262,306.12/1,897,615.85 - Step 6: Final answer
x = 1,432,718.99
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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.