Finding the Fourth Proportional to 5,623,824.77, 7,758,681.02 and 3,268,631.19
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Solution
The fourth proportional to 5,623,824.77, 7,758,681.02 and 3,268,631.19 is: 4,509,434.03
Step by Step Solution
- Step 1: Write the proportion equation
5,623,824.77 : 7,758,681.02 = 3,268,631.19 : x - Step 2: Convert to fraction form
5,623,824.77/7,758,681.02 = 3,268,631.19/x - Step 3: Cross multiply
5,623,824.77x = 7,758,681.02 × 3,268,631.19 - Step 4: Simplify right side
5,623,824.77x = 25,360,266,775,233.01 - Step 5: Solve for x
x = 25,360,266,775,233.01/5,623,824.77 - Step 6: Final answer
x = 4,509,434.03
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Double scale
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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.