Finding the Fourth Proportional to 1,778,279.23, 2,454,084.84 and 1,089,818.07
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Solution
The fourth proportional to 1,778,279.23, 2,454,084.84 and 1,089,818.07 is: 1,503,985.40
Step by Step Solution
- Step 1: Write the proportion equation
1,778,279.23 : 2,454,084.84 = 1,089,818.07 : x - Step 2: Convert to fraction form
1,778,279.23/2,454,084.84 = 1,089,818.07/x - Step 3: Cross multiply
1,778,279.23x = 2,454,084.84 × 1,089,818.07 - Step 4: Simplify right side
1,778,279.23x = 2,674,506,003,945.06 - Step 5: Solve for x
x = 2,674,506,003,945.06/1,778,279.23 - Step 6: Final answer
x = 1,503,985.40
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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.