Finding the Fourth Proportional to 2,116,854.48, 2,921,279.44 and 1,149,992.08
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Solution
The fourth proportional to 2,116,854.48, 2,921,279.44 and 1,149,992.08 is: 1,587,000.08
Step by Step Solution
- Step 1: Write the proportion equation
2,116,854.48 : 2,921,279.44 = 1,149,992.08 : x - Step 2: Convert to fraction form
2,116,854.48/2,921,279.44 = 1,149,992.08/x - Step 3: Cross multiply
2,116,854.48x = 2,921,279.44 × 1,149,992.08 - Step 4: Simplify right side
2,116,854.48x = 3,359,448,219,466.84 - Step 5: Solve for x
x = 3,359,448,219,466.84/2,116,854.48 - Step 6: Final answer
x = 1,587,000.08
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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.