Finding the Fourth Proportional to 1,533,698.20, 2,116,492.98 and 845,370.64
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Solution
The fourth proportional to 1,533,698.20, 2,116,492.98 and 845,370.64 is: 1,166,605.68
Step by Step Solution
- Step 1: Write the proportion equation
1,533,698.20 : 2,116,492.98 = 845,370.64 : x - Step 2: Convert to fraction form
1,533,698.20/2,116,492.98 = 845,370.64/x - Step 3: Cross multiply
1,533,698.20x = 2,116,492.98 × 845,370.64 - Step 4: Simplify right side
1,533,698.20x = 1,789,221,025,058.11 - Step 5: Solve for x
x = 1,789,221,025,058.11/1,533,698.20 - Step 6: Final answer
x = 1,166,605.68
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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.