Finding the Fourth Proportional to 1,723,297.10, 2,376,601.84 and 1,078,776.06
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Solution
The fourth proportional to 1,723,297.10, 2,376,601.84 and 1,078,776.06 is: 1,487,741.82
Step by Step Solution
- Step 1: Write the proportion equation
1,723,297.10 : 2,376,601.84 = 1,078,776.06 : x - Step 2: Convert to fraction form
1,723,297.10/2,376,601.84 = 1,078,776.06/x - Step 3: Cross multiply
1,723,297.10x = 2,376,601.84 × 1,078,776.06 - Step 4: Simplify right side
1,723,297.10x = 2,563,821,169,143.95 - Step 5: Solve for x
x = 2,563,821,169,143.95/1,723,297.10 - Step 6: Final answer
x = 1,487,741.82
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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.