Finding the Fourth Proportional to 1,316,188.75, 1,974,283.40 and 474,740.41
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Solution
The fourth proportional to 1,316,188.75, 1,974,283.40 and 474,740.41 is: 712,110.71
Step by Step Solution
- Step 1: Write the proportion equation
1,316,188.75 : 1,974,283.40 = 474,740.41 : x - Step 2: Convert to fraction form
1,316,188.75/1,974,283.40 = 474,740.41/x - Step 3: Cross multiply
1,316,188.75x = 1,974,283.40 × 474,740.41 - Step 4: Simplify right side
1,316,188.75x = 937,272,110,772.19 - Step 5: Solve for x
x = 937,272,110,772.19/1,316,188.75 - Step 6: Final answer
x = 712,110.71
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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.