Finding the Fourth Proportional to 1,851,115.68, 2,775,972.72 and 1,009,209.12
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Solution
The fourth proportional to 1,851,115.68, 2,775,972.72 and 1,009,209.12 is: 1,513,431.61
Step by Step Solution
- Step 1: Write the proportion equation
1,851,115.68 : 2,775,972.72 = 1,009,209.12 : x - Step 2: Convert to fraction form
1,851,115.68/2,775,972.72 = 1,009,209.12/x - Step 3: Cross multiply
1,851,115.68x = 2,775,972.72 × 1,009,209.12 - Step 4: Simplify right side
1,851,115.68x = 2,801,536,985,895.21 - Step 5: Solve for x
x = 2,801,536,985,895.21/1,851,115.68 - Step 6: Final answer
x = 1,513,431.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.