Finding the Fourth Proportional to 1,530,803.48, 2,292,924.72 and 1,245,138.08
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Solution
The fourth proportional to 1,530,803.48, 2,292,924.72 and 1,245,138.08 is: 1,865,038.80
Step by Step Solution
- Step 1: Write the proportion equation
1,530,803.48 : 2,292,924.72 = 1,245,138.08 : x - Step 2: Convert to fraction form
1,530,803.48/2,292,924.72 = 1,245,138.08/x - Step 3: Cross multiply
1,530,803.48x = 2,292,924.72 × 1,245,138.08 - Step 4: Simplify right side
1,530,803.48x = 2,855,007,883,445.34 - Step 5: Solve for x
x = 2,855,007,883,445.34/1,530,803.48 - Step 6: Final answer
x = 1,865,038.80
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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.