Finding the Fourth Proportional to 1,420,330.68, 2,130,501.78 and 355,369.80
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Solution
The fourth proportional to 1,420,330.68, 2,130,501.78 and 355,369.80 is: 533,056.14
Step by Step Solution
- Step 1: Write the proportion equation
1,420,330.68 : 2,130,501.78 = 355,369.80 : x - Step 2: Convert to fraction form
1,420,330.68/2,130,501.78 = 355,369.80/x - Step 3: Cross multiply
1,420,330.68x = 2,130,501.78 × 355,369.80 - Step 4: Simplify right side
1,420,330.68x = 757,115,991,458.24 - Step 5: Solve for x
x = 757,115,991,458.24/1,420,330.68 - Step 6: Final answer
x = 533,056.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.