Finding the Fourth Proportional to 7,106,871.60, 10,651,559.40 and 4,832,391.60
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Solution
The fourth proportional to 7,106,871.60, 10,651,559.40 and 4,832,391.60 is: 7,242,639.11
Step by Step Solution
- Step 1: Write the proportion equation
7,106,871.60 : 10,651,559.40 = 4,832,391.60 : x - Step 2: Convert to fraction form
7,106,871.60/10,651,559.40 = 4,832,391.60/x - Step 3: Cross multiply
7,106,871.60x = 10,651,559.40 × 4,832,391.60 - Step 4: Simplify right side
7,106,871.60x = 51,472,506,171,461.04 - Step 5: Solve for x
x = 51,472,506,171,461.04/7,106,871.60 - Step 6: Final answer
x = 7,242,639.11
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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.