Finding the Fourth Proportional to 2,115,366.84, 2,919,189.60 and 1,148,477.76
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Solution
The fourth proportional to 2,115,366.84, 2,919,189.60 and 1,148,477.76 is: 1,584,890.28
Step by Step Solution
- Step 1: Write the proportion equation
2,115,366.84 : 2,919,189.60 = 1,148,477.76 : x - Step 2: Convert to fraction form
2,115,366.84/2,919,189.60 = 1,148,477.76/x - Step 3: Cross multiply
2,115,366.84x = 2,919,189.60 × 1,148,477.76 - Step 4: Simplify right side
2,115,366.84x = 3,352,624,332,823.30 - Step 5: Solve for x
x = 3,352,624,332,823.30/2,115,366.84 - Step 6: Final answer
x = 1,584,890.28
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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.