Finding the Fourth Proportional to 1,891,090.07, 2,609,347.38 and 1,127,214.71
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Solution
The fourth proportional to 1,891,090.07, 2,609,347.38 and 1,127,214.71 is: 1,555,343.55
Step by Step Solution
- Step 1: Write the proportion equation
1,891,090.07 : 2,609,347.38 = 1,127,214.71 : x - Step 2: Convert to fraction form
1,891,090.07/2,609,347.38 = 1,127,214.71/x - Step 3: Cross multiply
1,891,090.07x = 2,609,347.38 × 1,127,214.71 - Step 4: Simplify right side
1,891,090.07x = 2,941,294,752,532.27 - Step 5: Solve for x
x = 2,941,294,752,532.27/1,891,090.07 - Step 6: Final answer
x = 1,555,343.55
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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.