Finding the Fourth Proportional to 5,363,211.60, 8,045,011.80 and 1,577,077.20
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Solution
The fourth proportional to 5,363,211.60, 8,045,011.80 and 1,577,077.20 is: 2,365,672.96
Step by Step Solution
- Step 1: Write the proportion equation
5,363,211.60 : 8,045,011.80 = 1,577,077.20 : x - Step 2: Convert to fraction form
5,363,211.60/8,045,011.80 = 1,577,077.20/x - Step 3: Cross multiply
5,363,211.60x = 8,045,011.80 × 1,577,077.20 - Step 4: Simplify right side
5,363,211.60x = 12,687,604,683,510.96 - Step 5: Solve for x
x = 12,687,604,683,510.96/5,363,211.60 - Step 6: Final answer
x = 2,365,672.96
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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.