Finding the Fourth Proportional to 5,605,267.55, 8,407,901.42 and 1,345,435.79
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Solution
The fourth proportional to 5,605,267.55, 8,407,901.42 and 1,345,435.79 is: 2,018,153.70
Step by Step Solution
- Step 1: Write the proportion equation
5,605,267.55 : 8,407,901.42 = 1,345,435.79 : x - Step 2: Convert to fraction form
5,605,267.55/8,407,901.42 = 1,345,435.79/x - Step 3: Cross multiply
5,605,267.55x = 8,407,901.42 × 1,345,435.79 - Step 4: Simplify right side
5,605,267.55x = 11,312,291,450,583.90 - Step 5: Solve for x
x = 11,312,291,450,583.90/5,605,267.55 - Step 6: Final answer
x = 2,018,153.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.