Finding the Fourth Proportional to 5,987,210.90, 8,948,013.83 and 4,371,386.44
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Solution
The fourth proportional to 5,987,210.90, 8,948,013.83 and 4,371,386.44 is: 6,533,129.87
Step by Step Solution
- Step 1: Write the proportion equation
5,987,210.90 : 8,948,013.83 = 4,371,386.44 : x - Step 2: Convert to fraction form
5,987,210.90/8,948,013.83 = 4,371,386.44/x - Step 3: Cross multiply
5,987,210.90x = 8,948,013.83 × 4,371,386.44 - Step 4: Simplify right side
5,987,210.90x = 39,115,226,328,924.92 - Step 5: Solve for x
x = 39,115,226,328,924.92/5,987,210.90 - Step 6: Final answer
x = 6,533,129.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.