Finding the Fourth Proportional to 1,698,837.21, 2,344,395.68 and 934,890.77
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Solution
The fourth proportional to 1,698,837.21, 2,344,395.68 and 934,890.77 is: 1,290,149.44
Step by Step Solution
- Step 1: Write the proportion equation
1,698,837.21 : 2,344,395.68 = 934,890.77 : x - Step 2: Convert to fraction form
1,698,837.21/2,344,395.68 = 934,890.77/x - Step 3: Cross multiply
1,698,837.21x = 2,344,395.68 × 934,890.77 - Step 4: Simplify right side
1,698,837.21x = 2,191,753,882,459.87 - Step 5: Solve for x
x = 2,191,753,882,459.87/1,698,837.21 - Step 6: Final answer
x = 1,290,149.44
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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.