Finding the Fourth Proportional to 2,116,970.08, 2,921,207.84 and 1,199,016.08
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Solution
The fourth proportional to 2,116,970.08, 2,921,207.84 and 1,199,016.08 is: 1,654,522.76
Step by Step Solution
- Step 1: Write the proportion equation
2,116,970.08 : 2,921,207.84 = 1,199,016.08 : x - Step 2: Convert to fraction form
2,116,970.08/2,921,207.84 = 1,199,016.08/x - Step 3: Cross multiply
2,116,970.08x = 2,921,207.84 × 1,199,016.08 - Step 4: Simplify right side
2,116,970.08x = 3,502,575,173,182.07 - Step 5: Solve for x
x = 3,502,575,173,182.07/2,116,970.08 - Step 6: Final answer
x = 1,654,522.76
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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.