Finding the Fourth Proportional to 4,371,319.68, 6,032,851.20 and 2,652,305.28
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Solution
The fourth proportional to 4,371,319.68, 6,032,851.20 and 2,652,305.28 is: 3,660,442.21
Step by Step Solution
- Step 1: Write the proportion equation
4,371,319.68 : 6,032,851.20 = 2,652,305.28 : x - Step 2: Convert to fraction form
4,371,319.68/6,032,851.20 = 2,652,305.28/x - Step 3: Cross multiply
4,371,319.68x = 6,032,851.20 × 2,652,305.28 - Step 4: Simplify right side
4,371,319.68x = 16,000,963,091,214.34 - Step 5: Solve for x
x = 16,000,963,091,214.34/4,371,319.68 - Step 6: Final answer
x = 3,660,442.21
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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.