Finding the Fourth Proportional to 1,658,593.08, 2,289,564.68 and 1,115,044.13
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Solution
The fourth proportional to 1,658,593.08, 2,289,564.68 and 1,115,044.13 is: 1,539,235.68
Step by Step Solution
- Step 1: Write the proportion equation
1,658,593.08 : 2,289,564.68 = 1,115,044.13 : x - Step 2: Convert to fraction form
1,658,593.08/2,289,564.68 = 1,115,044.13/x - Step 3: Cross multiply
1,658,593.08x = 2,289,564.68 × 1,115,044.13 - Step 4: Simplify right side
1,658,593.08x = 2,552,965,639,666.28 - Step 5: Solve for x
x = 2,552,965,639,666.28/1,658,593.08 - Step 6: Final answer
x = 1,539,235.68
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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.