Finding the Fourth Proportional to 4,243,555.02, 6,365,270.20 and 1,048,681.12
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Solution
The fourth proportional to 4,243,555.02, 6,365,270.20 and 1,048,681.12 is: 1,573,006.28
Step by Step Solution
- Step 1: Write the proportion equation
4,243,555.02 : 6,365,270.20 = 1,048,681.12 : x - Step 2: Convert to fraction form
4,243,555.02/6,365,270.20 = 1,048,681.12/x - Step 3: Cross multiply
4,243,555.02x = 6,365,270.20 × 1,048,681.12 - Step 4: Simplify right side
4,243,555.02x = 6,675,138,682,438.63 - Step 5: Solve for x
x = 6,675,138,682,438.63/4,243,555.02 - Step 6: Final answer
x = 1,573,006.28
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1.5x scale
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.