Finding the Fourth Proportional to 2,260,518.11, 3,119,502.51 and 1,228,017.62
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Solution
The fourth proportional to 2,260,518.11, 3,119,502.51 and 1,228,017.62 is: 1,694,657.53
Step by Step Solution
- Step 1: Write the proportion equation
2,260,518.11 : 3,119,502.51 = 1,228,017.62 : x - Step 2: Convert to fraction form
2,260,518.11/3,119,502.51 = 1,228,017.62/x - Step 3: Cross multiply
2,260,518.11x = 3,119,502.51 × 1,228,017.62 - Step 4: Simplify right side
2,260,518.11x = 3,830,804,047,914.23 - Step 5: Solve for x
x = 3,830,804,047,914.23/2,260,518.11 - Step 6: Final answer
x = 1,694,657.53
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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.