Finding the Fourth Proportional to 5,266,779.75, 7,268,747.76 and 2,975,088.06
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Solution
The fourth proportional to 5,266,779.75, 7,268,747.76 and 2,975,088.06 is: 4,105,955.76
Step by Step Solution
- Step 1: Write the proportion equation
5,266,779.75 : 7,268,747.76 = 2,975,088.06 : x - Step 2: Convert to fraction form
5,266,779.75/7,268,747.76 = 2,975,088.06/x - Step 3: Cross multiply
5,266,779.75x = 7,268,747.76 × 2,975,088.06 - Step 4: Simplify right side
5,266,779.75x = 21,625,164,671,927.75 - Step 5: Solve for x
x = 21,625,164,671,927.75/5,266,779.75 - Step 6: Final answer
x = 4,105,955.76
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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.