Finding the Fourth Proportional to 1,695,705.91, 2,340,073.62 and 931,808.68
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Solution
The fourth proportional to 1,695,705.91, 2,340,073.62 and 931,808.68 is: 1,285,895.68
Step by Step Solution
- Step 1: Write the proportion equation
1,695,705.91 : 2,340,073.62 = 931,808.68 : x - Step 2: Convert to fraction form
1,695,705.91/2,340,073.62 = 931,808.68/x - Step 3: Cross multiply
1,695,705.91x = 2,340,073.62 × 931,808.68 - Step 4: Simplify right side
1,695,705.91x = 2,180,500,906,295.98 - Step 5: Solve for x
x = 2,180,500,906,295.98/1,695,705.91 - Step 6: Final answer
x = 1,285,895.68
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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.