Finding the Fourth Proportional to 3,056,395.60, 4,217,749.32 and 1,698,272.08
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Solution
The fourth proportional to 3,056,395.60, 4,217,749.32 and 1,698,272.08 is: 2,343,572.90
Step by Step Solution
- Step 1: Write the proportion equation
3,056,395.60 : 4,217,749.32 = 1,698,272.08 : x - Step 2: Convert to fraction form
3,056,395.60/4,217,749.32 = 1,698,272.08/x - Step 3: Cross multiply
3,056,395.60x = 4,217,749.32 × 1,698,272.08 - Step 4: Simplify right side
3,056,395.60x = 7,162,885,910,594.99 - Step 5: Solve for x
x = 7,162,885,910,594.99/3,056,395.60 - Step 6: Final answer
x = 2,343,572.90
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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.