Finding the Fourth Proportional to 1,572,550.24, 2,169,597.30 and 1,281,661.64
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Solution
The fourth proportional to 1,572,550.24, 2,169,597.30 and 1,281,661.64 is: 1,768,267.60
Step by Step Solution
- Step 1: Write the proportion equation
1,572,550.24 : 2,169,597.30 = 1,281,661.64 : x - Step 2: Convert to fraction form
1,572,550.24/2,169,597.30 = 1,281,661.64/x - Step 3: Cross multiply
1,572,550.24x = 2,169,597.30 × 1,281,661.64 - Step 4: Simplify right side
1,572,550.24x = 2,780,689,633,657.57 - Step 5: Solve for x
x = 2,780,689,633,657.57/1,572,550.24 - Step 6: Final answer
x = 1,768,267.60
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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.