Finding the Fourth Proportional to 4,365,220.80, 6,547,831.20 and 4,197,259.20
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Solution
The fourth proportional to 4,365,220.80, 6,547,831.20 and 4,197,259.20 is: 6,295,888.80
Step by Step Solution
- Step 1: Write the proportion equation
4,365,220.80 : 6,547,831.20 = 4,197,259.20 : x - Step 2: Convert to fraction form
4,365,220.80/6,547,831.20 = 4,197,259.20/x - Step 3: Cross multiply
4,365,220.80x = 6,547,831.20 × 4,197,259.20 - Step 4: Simplify right side
4,365,220.80x = 27,482,944,744,247.04 - Step 5: Solve for x
x = 27,482,944,744,247.04/4,365,220.80 - Step 6: Final answer
x = 6,295,888.80
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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.