Finding the Fourth Proportional to 4,854,190.60, 7,283,910.30 and 2,158,931.80
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Solution
The fourth proportional to 4,854,190.60, 7,283,910.30 and 2,158,931.80 is: 3,239,564.92
Step by Step Solution
- Step 1: Write the proportion equation
4,854,190.60 : 7,283,910.30 = 2,158,931.80 : x - Step 2: Convert to fraction form
4,854,190.60/7,283,910.30 = 2,158,931.80/x - Step 3: Cross multiply
4,854,190.60x = 7,283,910.30 × 2,158,931.80 - Step 4: Simplify right side
4,854,190.60x = 15,725,465,575,017.54 - Step 5: Solve for x
x = 15,725,465,575,017.54/4,854,190.60 - Step 6: Final answer
x = 3,239,564.92
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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.