Finding the Fourth Proportional to 1,891,444.01, 2,610,165.80 and 1,031,987.03
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Solution
The fourth proportional to 1,891,444.01, 2,610,165.80 and 1,031,987.03 is: 1,424,127.40
Step by Step Solution
- Step 1: Write the proportion equation
1,891,444.01 : 2,610,165.80 = 1,031,987.03 : x - Step 2: Convert to fraction form
1,891,444.01/2,610,165.80 = 1,031,987.03/x - Step 3: Cross multiply
1,891,444.01x = 2,610,165.80 × 1,031,987.03 - Step 4: Simplify right side
1,891,444.01x = 2,693,657,241,278.71 - Step 5: Solve for x
x = 2,693,657,241,278.71/1,891,444.01 - Step 6: Final answer
x = 1,424,127.40
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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.