Finding the Fourth Proportional to 2,115,594.96, 2,918,800.08 and 1,352,088.96
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Solution
The fourth proportional to 2,115,594.96, 2,918,800.08 and 1,352,088.96 is: 1,865,421.99
Step by Step Solution
- Step 1: Write the proportion equation
2,115,594.96 : 2,918,800.08 = 1,352,088.96 : x - Step 2: Convert to fraction form
2,115,594.96/2,918,800.08 = 1,352,088.96/x - Step 3: Cross multiply
2,115,594.96x = 2,918,800.08 × 1,352,088.96 - Step 4: Simplify right side
2,115,594.96x = 3,946,477,364,615.12 - Step 5: Solve for x
x = 3,946,477,364,615.12/2,115,594.96 - Step 6: Final answer
x = 1,865,421.99
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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.