Finding the Fourth Proportional to 5,249,032.68, 7,243,690.50 and 2,957,229.48
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Solution
The fourth proportional to 5,249,032.68, 7,243,690.50 and 2,957,229.48 is: 4,080,990.99
Step by Step Solution
- Step 1: Write the proportion equation
5,249,032.68 : 7,243,690.50 = 2,957,229.48 : x - Step 2: Convert to fraction form
5,249,032.68/7,243,690.50 = 2,957,229.48/x - Step 3: Cross multiply
5,249,032.68x = 7,243,690.50 × 2,957,229.48 - Step 4: Simplify right side
5,249,032.68x = 21,421,255,090,595.94 - Step 5: Solve for x
x = 21,421,255,090,595.94/5,249,032.68 - Step 6: Final answer
x = 4,080,990.99
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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.