Finding the Fourth Proportional to 1,584,997.92, 2,185,652.68 and 1,356,311.96
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Solution
The fourth proportional to 1,584,997.92, 2,185,652.68 and 1,356,311.96 is: 1,870,303.32
Step by Step Solution
- Step 1: Write the proportion equation
1,584,997.92 : 2,185,652.68 = 1,356,311.96 : x - Step 2: Convert to fraction form
1,584,997.92/2,185,652.68 = 1,356,311.96/x - Step 3: Cross multiply
1,584,997.92x = 2,185,652.68 × 1,356,311.96 - Step 4: Simplify right side
1,584,997.92x = 2,964,426,870,290.05 - Step 5: Solve for x
x = 2,964,426,870,290.05/1,584,997.92 - Step 6: Final answer
x = 1,870,303.32
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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.