Finding the Fourth Proportional to 1,929,455.76, 2,894,208.12 and 731,056.18
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Solution
The fourth proportional to 1,929,455.76, 2,894,208.12 and 731,056.18 is: 1,096,593.55
Step by Step Solution
- Step 1: Write the proportion equation
1,929,455.76 : 2,894,208.12 = 731,056.18 : x - Step 2: Convert to fraction form
1,929,455.76/2,894,208.12 = 731,056.18/x - Step 3: Cross multiply
1,929,455.76x = 2,894,208.12 × 731,056.18 - Step 4: Simplify right side
1,929,455.76x = 2,115,828,732,332.18 - Step 5: Solve for x
x = 2,115,828,732,332.18/1,929,455.76 - Step 6: Final answer
x = 1,096,593.55
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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.