Finding the Fourth Proportional to 4,627,567.80, 6,939,725.76 and 1,388,139.48
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Solution
The fourth proportional to 4,627,567.80, 6,939,725.76 and 1,388,139.48 is: 2,081,721.48
Step by Step Solution
- Step 1: Write the proportion equation
4,627,567.80 : 6,939,725.76 = 1,388,139.48 : x - Step 2: Convert to fraction form
4,627,567.80/6,939,725.76 = 1,388,139.48/x - Step 3: Cross multiply
4,627,567.80x = 6,939,725.76 × 1,388,139.48 - Step 4: Simplify right side
4,627,567.80x = 9,633,307,307,829.00 - Step 5: Solve for x
x = 9,633,307,307,829.00/4,627,567.80 - Step 6: Final answer
x = 2,081,721.48
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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.