Finding the Fourth Proportional to 1,897,980.70, 2,619,213.36 and 1,038,540.96
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Solution
The fourth proportional to 1,897,980.70, 2,619,213.36 and 1,038,540.96 is: 1,433,186.52
Step by Step Solution
- Step 1: Write the proportion equation
1,897,980.70 : 2,619,213.36 = 1,038,540.96 : x - Step 2: Convert to fraction form
1,897,980.70/2,619,213.36 = 1,038,540.96/x - Step 3: Cross multiply
1,897,980.70x = 2,619,213.36 × 1,038,540.96 - Step 4: Simplify right side
1,897,980.70x = 2,720,160,357,339.23 - Step 5: Solve for x
x = 2,720,160,357,339.23/1,897,980.70 - Step 6: Final answer
x = 1,433,186.52
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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.