Finding the Fourth Proportional to 4,692,620.70, 7,038,931.05 and 1,497,851.10
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Solution
The fourth proportional to 4,692,620.70, 7,038,931.05 and 1,497,851.10 is: 2,246,776.65
Step by Step Solution
- Step 1: Write the proportion equation
4,692,620.70 : 7,038,931.05 = 1,497,851.10 : x - Step 2: Convert to fraction form
4,692,620.70/7,038,931.05 = 1,497,851.10/x - Step 3: Cross multiply
4,692,620.70x = 7,038,931.05 × 1,497,851.10 - Step 4: Simplify right side
4,692,620.70x = 10,543,270,616,066.66 - Step 5: Solve for x
x = 10,543,270,616,066.66/4,692,620.70 - Step 6: Final answer
x = 2,246,776.65
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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.