Finding the Fourth Proportional to 4,871,703.60, 7,306,864.20 and 1,506,250.80
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Solution
The fourth proportional to 4,871,703.60, 7,306,864.20 and 1,506,250.80 is: 2,259,162.49
Step by Step Solution
- Step 1: Write the proportion equation
4,871,703.60 : 7,306,864.20 = 1,506,250.80 : x - Step 2: Convert to fraction form
4,871,703.60/7,306,864.20 = 1,506,250.80/x - Step 3: Cross multiply
4,871,703.60x = 7,306,864.20 × 1,506,250.80 - Step 4: Simplify right side
4,871,703.60x = 11,005,970,046,741.36 - Step 5: Solve for x
x = 11,005,970,046,741.36/4,871,703.60 - Step 6: Final answer
x = 2,259,162.49
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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.