Finding the Fourth Proportional to 2,208,871.20, 3,312,937.74 and 611,595.75
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Solution
The fourth proportional to 2,208,871.20, 3,312,937.74 and 611,595.75 is: 917,291.44
Step by Step Solution
- Step 1: Write the proportion equation
2,208,871.20 : 3,312,937.74 = 611,595.75 : x - Step 2: Convert to fraction form
2,208,871.20/3,312,937.74 = 611,595.75/x - Step 3: Cross multiply
2,208,871.20x = 3,312,937.74 × 611,595.75 - Step 4: Simplify right side
2,208,871.20x = 2,026,178,641,798.61 - Step 5: Solve for x
x = 2,026,178,641,798.61/2,208,871.20 - Step 6: Final answer
x = 917,291.44
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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.