Finding the Fourth Proportional to 3,424,430.80, 4,725,712.56 and 1,896,536.48
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Solution
The fourth proportional to 3,424,430.80, 4,725,712.56 and 1,896,536.48 is: 2,617,219.27
Step by Step Solution
- Step 1: Write the proportion equation
3,424,430.80 : 4,725,712.56 = 1,896,536.48 : x - Step 2: Convert to fraction form
3,424,430.80/4,725,712.56 = 1,896,536.48/x - Step 3: Cross multiply
3,424,430.80x = 4,725,712.56 × 1,896,536.48 - Step 4: Simplify right side
3,424,430.80x = 8,962,486,264,034.19 - Step 5: Solve for x
x = 8,962,486,264,034.19/3,424,430.80 - Step 6: Final answer
x = 2,617,219.27
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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.