Finding the Fourth Proportional to 2,291,169.65, 3,161,725.68 and 1,272,638.93
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Solution
The fourth proportional to 2,291,169.65, 3,161,725.68 and 1,272,638.93 is: 1,756,192.59
Step by Step Solution
- Step 1: Write the proportion equation
2,291,169.65 : 3,161,725.68 = 1,272,638.93 : x - Step 2: Convert to fraction form
2,291,169.65/3,161,725.68 = 1,272,638.93/x - Step 3: Cross multiply
2,291,169.65x = 3,161,725.68 × 1,272,638.93 - Step 4: Simplify right side
2,291,169.65x = 4,023,735,164,176.90 - Step 5: Solve for x
x = 4,023,735,164,176.90/2,291,169.65 - Step 6: Final answer
x = 1,756,192.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.