Finding the Fourth Proportional to 1,697,115.38, 2,547,272.71 and 618,670.74
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Solution
The fourth proportional to 1,697,115.38, 2,547,272.71 and 618,670.74 is: 928,589.26
Step by Step Solution
- Step 1: Write the proportion equation
1,697,115.38 : 2,547,272.71 = 618,670.74 : x - Step 2: Convert to fraction form
1,697,115.38/2,547,272.71 = 618,670.74/x - Step 3: Cross multiply
1,697,115.38x = 2,547,272.71 × 618,670.74 - Step 4: Simplify right side
1,697,115.38x = 1,575,923,102,803.12 - Step 5: Solve for x
x = 1,575,923,102,803.12/1,697,115.38 - Step 6: Final answer
x = 928,589.26
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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.