Finding the Fourth Proportional to 2,934,484.96, 4,048,621.20 and 1,772,497.12
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Solution
The fourth proportional to 2,934,484.96, 4,048,621.20 and 1,772,497.12 is: 2,445,461.30
Step by Step Solution
- Step 1: Write the proportion equation
2,934,484.96 : 4,048,621.20 = 1,772,497.12 : x - Step 2: Convert to fraction form
2,934,484.96/4,048,621.20 = 1,772,497.12/x - Step 3: Cross multiply
2,934,484.96x = 4,048,621.20 × 1,772,497.12 - Step 4: Simplify right side
2,934,484.96x = 7,176,169,416,970.94 - Step 5: Solve for x
x = 7,176,169,416,970.94/2,934,484.96 - Step 6: Final answer
x = 2,445,461.30
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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.