Finding the Fourth Proportional to 2,518,133.08, 3,475,023.80 and 1,372,213.12
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Solution
The fourth proportional to 2,518,133.08, 3,475,023.80 and 1,372,213.12 is: 1,893,654.19
Step by Step Solution
- Step 1: Write the proportion equation
2,518,133.08 : 3,475,023.80 = 1,372,213.12 : x - Step 2: Convert to fraction form
2,518,133.08/3,475,023.80 = 1,372,213.12/x - Step 3: Cross multiply
2,518,133.08x = 3,475,023.80 × 1,372,213.12 - Step 4: Simplify right side
2,518,133.08x = 4,768,473,250,672.26 - Step 5: Solve for x
x = 4,768,473,250,672.26/2,518,133.08 - Step 6: Final answer
x = 1,893,654.19
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1.5x scale
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.