Finding the Fourth Proportional to 1,874,842.16, 2,587,281.36 and 1,015,402.40
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Solution
The fourth proportional to 1,874,842.16, 2,587,281.36 and 1,015,402.40 is: 1,401,254.87
Step by Step Solution
- Step 1: Write the proportion equation
1,874,842.16 : 2,587,281.36 = 1,015,402.40 : x - Step 2: Convert to fraction form
1,874,842.16/2,587,281.36 = 1,015,402.40/x - Step 3: Cross multiply
1,874,842.16x = 2,587,281.36 × 1,015,402.40 - Step 4: Simplify right side
1,874,842.16x = 2,627,131,702,419.26 - Step 5: Solve for x
x = 2,627,131,702,419.26/1,874,842.16 - Step 6: Final answer
x = 1,401,254.87
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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.