Finding the Fourth Proportional to 4,430,551.42, 6,115,298.48 and 2,885,662.72
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Solution
The fourth proportional to 4,430,551.42, 6,115,298.48 and 2,885,662.72 is: 3,982,955.43
Step by Step Solution
- Step 1: Write the proportion equation
4,430,551.42 : 6,115,298.48 = 2,885,662.72 : x - Step 2: Convert to fraction form
4,430,551.42/6,115,298.48 = 2,885,662.72/x - Step 3: Cross multiply
4,430,551.42x = 6,115,298.48 × 2,885,662.72 - Step 4: Simplify right side
4,430,551.42x = 17,646,688,845,408.67 - Step 5: Solve for x
x = 17,646,688,845,408.67/4,430,551.42 - Step 6: Final answer
x = 3,982,955.43
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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.