Finding the Fourth Proportional to 1,698,836.21, 2,344,394.30 and 934,889.77
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Solution
The fourth proportional to 1,698,836.21, 2,344,394.30 and 934,889.77 is: 1,290,148.07
Step by Step Solution
- Step 1: Write the proportion equation
1,698,836.21 : 2,344,394.30 = 934,889.77 : x - Step 2: Convert to fraction form
1,698,836.21/2,344,394.30 = 934,889.77/x - Step 3: Cross multiply
1,698,836.21x = 2,344,394.30 × 934,889.77 - Step 4: Simplify right side
1,698,836.21x = 2,191,750,243,241.86 - Step 5: Solve for x
x = 2,191,750,243,241.86/1,698,836.21 - Step 6: Final answer
x = 1,290,148.07
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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.