Finding the Fourth Proportional to 2,547,898.22, 3,515,994.13 and 1,386,349.26
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Solution
The fourth proportional to 2,547,898.22, 3,515,994.13 and 1,386,349.26 is: 1,913,104.62
Step by Step Solution
- Step 1: Write the proportion equation
2,547,898.22 : 3,515,994.13 = 1,386,349.26 : x - Step 2: Convert to fraction form
2,547,898.22/3,515,994.13 = 1,386,349.26/x - Step 3: Cross multiply
2,547,898.22x = 3,515,994.13 × 1,386,349.26 - Step 4: Simplify right side
2,547,898.22x = 4,874,395,860,289.84 - Step 5: Solve for x
x = 4,874,395,860,289.84/2,547,898.22 - Step 6: Final answer
x = 1,913,104.62
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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.