Finding the Fourth Proportional to 3,168,503.20, 4,753,921.20 and 1,038,656.80
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Solution
The fourth proportional to 3,168,503.20, 4,753,921.20 and 1,038,656.80 is: 1,558,367.55
Step by Step Solution
- Step 1: Write the proportion equation
3,168,503.20 : 4,753,921.20 = 1,038,656.80 : x - Step 2: Convert to fraction form
3,168,503.20/4,753,921.20 = 1,038,656.80/x - Step 3: Cross multiply
3,168,503.20x = 4,753,921.20 × 1,038,656.80 - Step 4: Simplify right side
3,168,503.20x = 4,937,692,581,044.16 - Step 5: Solve for x
x = 4,937,692,581,044.16/3,168,503.20 - Step 6: Final answer
x = 1,558,367.55
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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.