Finding the Fourth Proportional to 1,559,398.08, 2,151,987.30 and 914,829.24
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Solution
The fourth proportional to 1,559,398.08, 2,151,987.30 and 914,829.24 is: 1,262,474.88
Step by Step Solution
- Step 1: Write the proportion equation
1,559,398.08 : 2,151,987.30 = 914,829.24 : x - Step 2: Convert to fraction form
1,559,398.08/2,151,987.30 = 914,829.24/x - Step 3: Cross multiply
1,559,398.08x = 2,151,987.30 × 914,829.24 - Step 4: Simplify right side
1,559,398.08x = 1,968,700,906,148.65 - Step 5: Solve for x
x = 1,968,700,906,148.65/1,559,398.08 - Step 6: Final answer
x = 1,262,474.88
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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.