Finding the Fourth Proportional to 5,327,037.18, 7,346,408.76 and 3,490,828.57
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Solution
The fourth proportional to 5,327,037.18, 7,346,408.76 and 3,490,828.57 is: 4,814,130.77
Step by Step Solution
- Step 1: Write the proportion equation
5,327,037.18 : 7,346,408.76 = 3,490,828.57 : x - Step 2: Convert to fraction form
5,327,037.18/7,346,408.76 = 3,490,828.57/x - Step 3: Cross multiply
5,327,037.18x = 7,346,408.76 × 3,490,828.57 - Step 4: Simplify right side
5,327,037.18x = 25,645,053,586,306.27 - Step 5: Solve for x
x = 25,645,053,586,306.27/5,327,037.18 - Step 6: Final answer
x = 4,814,130.77
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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.