Finding the Fourth Proportional to 1,973,574.84, 2,723,599.32 and 1,209,480.84
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Solution
The fourth proportional to 1,973,574.84, 2,723,599.32 and 1,209,480.84 is: 1,669,124.03
Step by Step Solution
- Step 1: Write the proportion equation
1,973,574.84 : 2,723,599.32 = 1,209,480.84 : x - Step 2: Convert to fraction form
1,973,574.84/2,723,599.32 = 1,209,480.84/x - Step 3: Cross multiply
1,973,574.84x = 2,723,599.32 × 1,209,480.84 - Step 4: Simplify right side
1,973,574.84x = 3,294,141,193,377.03 - Step 5: Solve for x
x = 3,294,141,193,377.03/1,973,574.84 - Step 6: Final answer
x = 1,669,124.03
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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.