Finding the Fourth Proportional to 6,648,420.20, 9,973,148.70 and 2,862,026.60
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Solution
The fourth proportional to 6,648,420.20, 9,973,148.70 and 2,862,026.60 is: 4,293,263.06
Step by Step Solution
- Step 1: Write the proportion equation
6,648,420.20 : 9,973,148.70 = 2,862,026.60 : x - Step 2: Convert to fraction form
6,648,420.20/9,973,148.70 = 2,862,026.60/x - Step 3: Cross multiply
6,648,420.20x = 9,973,148.70 × 2,862,026.60 - Step 4: Simplify right side
6,648,420.20x = 28,543,416,865,155.42 - Step 5: Solve for x
x = 28,543,416,865,155.42/6,648,420.20 - Step 6: Final answer
x = 4,293,263.06
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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.