Finding the Fourth Proportional to 1,697,800.91, 2,343,933.65 and 1,125,616.10
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Solution
The fourth proportional to 1,697,800.91, 2,343,933.65 and 1,125,616.10 is: 1,553,992.25
Step by Step Solution
- Step 1: Write the proportion equation
1,697,800.91 : 2,343,933.65 = 1,125,616.10 : x - Step 2: Convert to fraction form
1,697,800.91/2,343,933.65 = 1,125,616.10/x - Step 3: Cross multiply
1,697,800.91x = 2,343,933.65 × 1,125,616.10 - Step 4: Simplify right side
1,697,800.91x = 2,638,369,444,866.14 - Step 5: Solve for x
x = 2,638,369,444,866.14/1,697,800.91 - Step 6: Final answer
x = 1,553,992.25
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1.5x scale
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.