Finding the Fourth Proportional to 4,624,398.84, 6,937,262.90 and 1,429,774.14
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Solution
The fourth proportional to 4,624,398.84, 6,937,262.90 and 1,429,774.14 is: 2,144,866.70
Step by Step Solution
- Step 1: Write the proportion equation
4,624,398.84 : 6,937,262.90 = 1,429,774.14 : x - Step 2: Convert to fraction form
4,624,398.84/6,937,262.90 = 1,429,774.14/x - Step 3: Cross multiply
4,624,398.84x = 6,937,262.90 × 1,429,774.14 - Step 4: Simplify right side
4,624,398.84x = 9,918,719,096,801.41 - Step 5: Solve for x
x = 9,918,719,096,801.41/4,624,398.84 - Step 6: Final answer
x = 2,144,866.70
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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.