Finding the Fourth Proportional to 4,019,031.60, 6,035,545.80 and 2,129,463.60
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Solution
The fourth proportional to 4,019,031.60, 6,035,545.80 and 2,129,463.60 is: 3,197,903.47
Step by Step Solution
- Step 1: Write the proportion equation
4,019,031.60 : 6,035,545.80 = 2,129,463.60 : x - Step 2: Convert to fraction form
4,019,031.60/6,035,545.80 = 2,129,463.60/x - Step 3: Cross multiply
4,019,031.60x = 6,035,545.80 × 2,129,463.60 - Step 4: Simplify right side
4,019,031.60x = 12,852,475,087,232.88 - Step 5: Solve for x
x = 12,852,475,087,232.88/4,019,031.60 - Step 6: Final answer
x = 3,197,903.47
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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.