Finding the Fourth Proportional to 5,507,324.66, 8,260,987.06 and 1,913,095.07
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Solution
The fourth proportional to 5,507,324.66, 8,260,987.06 and 1,913,095.07 is: 2,869,642.63
Step by Step Solution
- Step 1: Write the proportion equation
5,507,324.66 : 8,260,987.06 = 1,913,095.07 : x - Step 2: Convert to fraction form
5,507,324.66/8,260,987.06 = 1,913,095.07/x - Step 3: Cross multiply
5,507,324.66x = 8,260,987.06 × 1,913,095.07 - Step 4: Simplify right side
5,507,324.66x = 15,804,053,617,819.79 - Step 5: Solve for x
x = 15,804,053,617,819.79/5,507,324.66 - Step 6: Final answer
x = 2,869,642.63
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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.