Finding the Fourth Proportional to 5,474,996.80, 8,212,404.68 and 1,636,828.08
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Solution
The fourth proportional to 5,474,996.80, 8,212,404.68 and 1,636,828.08 is: 2,455,215.06
Step by Step Solution
- Step 1: Write the proportion equation
5,474,996.80 : 8,212,404.68 = 1,636,828.08 : x - Step 2: Convert to fraction form
5,474,996.80/8,212,404.68 = 1,636,828.08/x - Step 3: Cross multiply
5,474,996.80x = 8,212,404.68 × 1,636,828.08 - Step 4: Simplify right side
5,474,996.80x = 13,442,294,584,547.41 - Step 5: Solve for x
x = 13,442,294,584,547.41/5,474,996.80 - Step 6: Final answer
x = 2,455,215.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.