Finding the Fourth Proportional to 1,547,034.80, 2,134,868.00 and 858,671.08
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Solution
The fourth proportional to 1,547,034.80, 2,134,868.00 and 858,671.08 is: 1,184,943.87
Step by Step Solution
- Step 1: Write the proportion equation
1,547,034.80 : 2,134,868.00 = 858,671.08 : x - Step 2: Convert to fraction form
1,547,034.80/2,134,868.00 = 858,671.08/x - Step 3: Cross multiply
1,547,034.80x = 2,134,868.00 × 858,671.08 - Step 4: Simplify right side
1,547,034.80x = 1,833,149,401,586.91 - Step 5: Solve for x
x = 1,833,149,401,586.91/1,547,034.80 - Step 6: Final answer
x = 1,184,943.87
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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.