Finding the Fourth Proportional to 1,401,029.16, 2,101,599.12 and 390,239.48
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Solution
The fourth proportional to 1,401,029.16, 2,101,599.12 and 390,239.48 is: 585,374.65
Step by Step Solution
- Step 1: Write the proportion equation
1,401,029.16 : 2,101,599.12 = 390,239.48 : x - Step 2: Convert to fraction form
1,401,029.16/2,101,599.12 = 390,239.48/x - Step 3: Cross multiply
1,401,029.16x = 2,101,599.12 × 390,239.48 - Step 4: Simplify right side
1,401,029.16x = 820,126,947,757.26 - Step 5: Solve for x
x = 820,126,947,757.26/1,401,029.16 - Step 6: Final answer
x = 585,374.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.