Finding the Fourth Proportional to 1,873,821.08, 2,585,870.10 and 1,014,381.12
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Solution
The fourth proportional to 1,873,821.08, 2,585,870.10 and 1,014,381.12 is: 1,399,844.33
Step by Step Solution
- Step 1: Write the proportion equation
1,873,821.08 : 2,585,870.10 = 1,014,381.12 : x - Step 2: Convert to fraction form
1,873,821.08/2,585,870.10 = 1,014,381.12/x - Step 3: Cross multiply
1,873,821.08x = 2,585,870.10 × 1,014,381.12 - Step 4: Simplify right side
1,873,821.08x = 2,623,057,808,212.51 - Step 5: Solve for x
x = 2,623,057,808,212.51/1,873,821.08 - Step 6: Final answer
x = 1,399,844.33
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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.