Finding the Fourth Proportional to 5,104,988.96, 7,044,794.04 and 2,781,901.76
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Solution
The fourth proportional to 5,104,988.96, 7,044,794.04 and 2,781,901.76 is: 3,838,974.99
Step by Step Solution
- Step 1: Write the proportion equation
5,104,988.96 : 7,044,794.04 = 2,781,901.76 : x - Step 2: Convert to fraction form
5,104,988.96/7,044,794.04 = 2,781,901.76/x - Step 3: Cross multiply
5,104,988.96x = 7,044,794.04 × 2,781,901.76 - Step 4: Simplify right side
5,104,988.96x = 19,597,924,938,713.51 - Step 5: Solve for x
x = 19,597,924,938,713.51/5,104,988.96 - Step 6: Final answer
x = 3,838,974.99
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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.