Finding the Fourth Proportional to 5,316,387, 7,974,195.12 and 2,077,315.65
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Solution
The fourth proportional to 5,316,387, 7,974,195.12 and 2,077,315.65 is: 3,115,822.89
Step by Step Solution
- Step 1: Write the proportion equation
5,316,387 : 7,974,195.12 = 2,077,315.65 : x - Step 2: Convert to fraction form
5,316,387/7,974,195.12 = 2,077,315.65/x - Step 3: Cross multiply
5,316,387x = 7,974,195.12 × 2,077,315.65 - Step 4: Simplify right side
5,316,387x = 16,564,920,318,929.63 - Step 5: Solve for x
x = 16,564,920,318,929.63/5,316,387 - Step 6: Final answer
x = 3,115,822.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.