Finding the Fourth Proportional to 5,107,401.84, 7,048,235.88 and 2,815,512.24
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Solution
The fourth proportional to 5,107,401.84, 7,048,235.88 and 2,815,512.24 is: 3,885,418.66
Step by Step Solution
- Step 1: Write the proportion equation
5,107,401.84 : 7,048,235.88 = 2,815,512.24 : x - Step 2: Convert to fraction form
5,107,401.84/7,048,235.88 = 2,815,512.24/x - Step 3: Cross multiply
5,107,401.84x = 7,048,235.88 × 2,815,512.24 - Step 4: Simplify right side
5,107,401.84x = 19,844,394,390,547.17 - Step 5: Solve for x
x = 19,844,394,390,547.17/5,107,401.84 - Step 6: Final answer
x = 3,885,418.66
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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.