Finding the Fourth Proportional to 5,249,209.09, 7,243,908.49 and 2,834,761.09
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Solution
The fourth proportional to 5,249,209.09, 7,243,908.49 and 2,834,761.09 is: 3,911,970.27
Step by Step Solution
- Step 1: Write the proportion equation
5,249,209.09 : 7,243,908.49 = 2,834,761.09 : x - Step 2: Convert to fraction form
5,249,209.09/7,243,908.49 = 2,834,761.09/x - Step 3: Cross multiply
5,249,209.09x = 7,243,908.49 × 2,834,761.09 - Step 4: Simplify right side
5,249,209.09x = 20,534,749,926,972.65 - Step 5: Solve for x
x = 20,534,749,926,972.65/5,249,209.09 - Step 6: Final answer
x = 3,911,970.27
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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.