Finding the Fourth Proportional to 3,750,509.10, 5,174,652.34 and 2,355,221.10
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Solution
The fourth proportional to 3,750,509.10, 5,174,652.34 and 2,355,221.10 is: 3,249,545.61
Step by Step Solution
- Step 1: Write the proportion equation
3,750,509.10 : 5,174,652.34 = 2,355,221.10 : x - Step 2: Convert to fraction form
3,750,509.10/5,174,652.34 = 2,355,221.10/x - Step 3: Cross multiply
3,750,509.10x = 5,174,652.34 × 2,355,221.10 - Step 4: Simplify right side
3,750,509.10x = 12,187,450,376,332.38 - Step 5: Solve for x
x = 12,187,450,376,332.38/3,750,509.10 - Step 6: Final answer
x = 3,249,545.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.