Finding the Fourth Proportional to 2,457,356.23, 3,390,871.26 and 1,424,648.71
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Solution
The fourth proportional to 2,457,356.23, 3,390,871.26 and 1,424,648.71 is: 1,965,852.69
Step by Step Solution
- Step 1: Write the proportion equation
2,457,356.23 : 3,390,871.26 = 1,424,648.71 : x - Step 2: Convert to fraction form
2,457,356.23/3,390,871.26 = 1,424,648.71/x - Step 3: Cross multiply
2,457,356.23x = 3,390,871.26 × 1,424,648.71 - Step 4: Simplify right side
2,457,356.23x = 4,830,800,348,828.80 - Step 5: Solve for x
x = 4,830,800,348,828.80/2,457,356.23 - Step 6: Final answer
x = 1,965,852.69
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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.