Finding the Fourth Proportional to 4,974,588.84, 7,461,048.56 and 1,380,720.92
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Solution
The fourth proportional to 4,974,588.84, 7,461,048.56 and 1,380,720.92 is: 2,070,849.71
Step by Step Solution
- Step 1: Write the proportion equation
4,974,588.84 : 7,461,048.56 = 1,380,720.92 : x - Step 2: Convert to fraction form
4,974,588.84/7,461,048.56 = 1,380,720.92/x - Step 3: Cross multiply
4,974,588.84x = 7,461,048.56 × 1,380,720.92 - Step 4: Simplify right side
4,974,588.84x = 10,301,625,831,927.88 - Step 5: Solve for x
x = 10,301,625,831,927.88/4,974,588.84 - Step 6: Final answer
x = 2,070,849.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.