Finding the Fourth Proportional to 1,358,973.32, 2,038,756.18 and 412,418.12
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Solution
The fourth proportional to 1,358,973.32, 2,038,756.18 and 412,418.12 is: 618,717.07
Step by Step Solution
- Step 1: Write the proportion equation
1,358,973.32 : 2,038,756.18 = 412,418.12 : x - Step 2: Convert to fraction form
1,358,973.32/2,038,756.18 = 412,418.12/x - Step 3: Cross multiply
1,358,973.32x = 2,038,756.18 × 412,418.12 - Step 4: Simplify right side
1,358,973.32x = 840,819,990,893.98 - Step 5: Solve for x
x = 840,819,990,893.98/1,358,973.32 - Step 6: Final answer
x = 618,717.07
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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.