Finding the Fourth Proportional to 1,862,700.66, 2,570,550.08 and 1,127,645.19
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Solution
The fourth proportional to 1,862,700.66, 2,570,550.08 and 1,127,645.19 is: 1,556,164.39
Step by Step Solution
- Step 1: Write the proportion equation
1,862,700.66 : 2,570,550.08 = 1,127,645.19 : x - Step 2: Convert to fraction form
1,862,700.66/2,570,550.08 = 1,127,645.19/x - Step 3: Cross multiply
1,862,700.66x = 2,570,550.08 × 1,127,645.19 - Step 4: Simplify right side
1,862,700.66x = 2,898,668,433,366.12 - Step 5: Solve for x
x = 2,898,668,433,366.12/1,862,700.66 - Step 6: Final answer
x = 1,556,164.39
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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.