Finding the Fourth Proportional to 4,712,778.59, 6,503,640.53 and 2,675,588.09
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Solution
The fourth proportional to 4,712,778.59, 6,503,640.53 and 2,675,588.09 is: 3,692,315.01
Step by Step Solution
- Step 1: Write the proportion equation
4,712,778.59 : 6,503,640.53 = 2,675,588.09 : x - Step 2: Convert to fraction form
4,712,778.59/6,503,640.53 = 2,675,588.09/x - Step 3: Cross multiply
4,712,778.59x = 6,503,640.53 × 2,675,588.09 - Step 4: Simplify right side
4,712,778.59x = 17,401,063,097,813.14 - Step 5: Solve for x
x = 17,401,063,097,813.14/4,712,778.59 - Step 6: Final answer
x = 3,692,315.01
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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.