Finding the Fourth Proportional to 1,788,886.18, 2,681,918.00 and 889,837.21
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Solution
The fourth proportional to 1,788,886.18, 2,681,918.00 and 889,837.21 is: 1,334,053.81
Step by Step Solution
- Step 1: Write the proportion equation
1,788,886.18 : 2,681,918.00 = 889,837.21 : x - Step 2: Convert to fraction form
1,788,886.18/2,681,918.00 = 889,837.21/x - Step 3: Cross multiply
1,788,886.18x = 2,681,918.00 × 889,837.21 - Step 4: Simplify right side
1,788,886.18x = 2,386,470,432,808.88 - Step 5: Solve for x
x = 2,386,470,432,808.88/1,788,886.18 - Step 6: Final answer
x = 1,334,053.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.