Finding the Fourth Proportional to 2,122,641.36, 2,929,219.56 and 1,155,771.36
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Solution
The fourth proportional to 2,122,641.36, 2,929,219.56 and 1,155,771.36 is: 1,594,950.58
Step by Step Solution
- Step 1: Write the proportion equation
2,122,641.36 : 2,929,219.56 = 1,155,771.36 : x - Step 2: Convert to fraction form
2,122,641.36/2,929,219.56 = 1,155,771.36/x - Step 3: Cross multiply
2,122,641.36x = 2,929,219.56 × 1,155,771.36 - Step 4: Simplify right side
2,122,641.36x = 3,385,508,074,599.80 - Step 5: Solve for x
x = 3,385,508,074,599.80/2,122,641.36 - Step 6: Final answer
x = 1,594,950.58
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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.