Finding the Fourth Proportional to 1,858,913.37, 2,565,393.75 and 1,161,615.35
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Solution
The fourth proportional to 1,858,913.37, 2,565,393.75 and 1,161,615.35 is: 1,603,087.48
Step by Step Solution
- Step 1: Write the proportion equation
1,858,913.37 : 2,565,393.75 = 1,161,615.35 : x - Step 2: Convert to fraction form
1,858,913.37/2,565,393.75 = 1,161,615.35/x - Step 3: Cross multiply
1,858,913.37x = 2,565,393.75 × 1,161,615.35 - Step 4: Simplify right side
1,858,913.37x = 2,980,000,745,967.09 - Step 5: Solve for x
x = 2,980,000,745,967.09/1,858,913.37 - Step 6: Final answer
x = 1,603,087.48
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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.