Finding the Fourth Proportional to 1,885,070.40, 2,601,319.44 and 1,025,634.08
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Solution
The fourth proportional to 1,885,070.40, 2,601,319.44 and 1,025,634.08 is: 1,415,332.75
Step by Step Solution
- Step 1: Write the proportion equation
1,885,070.40 : 2,601,319.44 = 1,025,634.08 : x - Step 2: Convert to fraction form
1,885,070.40/2,601,319.44 = 1,025,634.08/x - Step 3: Cross multiply
1,885,070.40x = 2,601,319.44 × 1,025,634.08 - Step 4: Simplify right side
1,885,070.40x = 2,668,001,870,630.52 - Step 5: Solve for x
x = 2,668,001,870,630.52/1,885,070.40 - Step 6: Final answer
x = 1,415,332.75
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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.