Finding the Fourth Proportional to 1,645,152.44, 2,270,881.12 and 1,130,609.63
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Solution
The fourth proportional to 1,645,152.44, 2,270,881.12 and 1,130,609.63 is: 1,560,633.52
Step by Step Solution
- Step 1: Write the proportion equation
1,645,152.44 : 2,270,881.12 = 1,130,609.63 : x - Step 2: Convert to fraction form
1,645,152.44/2,270,881.12 = 1,130,609.63/x - Step 3: Cross multiply
1,645,152.44x = 2,270,881.12 × 1,130,609.63 - Step 4: Simplify right side
1,645,152.44x = 2,567,480,051,502.78 - Step 5: Solve for x
x = 2,567,480,051,502.78/1,645,152.44 - Step 6: Final answer
x = 1,560,633.52
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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.