Finding the Fourth Proportional to 2,470,888.80, 3,708,406.80 and 1,209,794.40
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Solution
The fourth proportional to 2,470,888.80, 3,708,406.80 and 1,209,794.40 is: 1,815,706.87
Step by Step Solution
- Step 1: Write the proportion equation
2,470,888.80 : 3,708,406.80 = 1,209,794.40 : x - Step 2: Convert to fraction form
2,470,888.80/3,708,406.80 = 1,209,794.40/x - Step 3: Cross multiply
2,470,888.80x = 3,708,406.80 × 1,209,794.40 - Step 4: Simplify right side
2,470,888.80x = 4,486,409,779,561.92 - Step 5: Solve for x
x = 4,486,409,779,561.92/2,470,888.80 - Step 6: Final answer
x = 1,815,706.87
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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.