Finding the Fourth Proportional to 5,328,165.60, 7,992,248.40 and 4,842,943.20
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Solution
The fourth proportional to 5,328,165.60, 7,992,248.40 and 4,842,943.20 is: 7,264,414.80
Step by Step Solution
- Step 1: Write the proportion equation
5,328,165.60 : 7,992,248.40 = 4,842,943.20 : x - Step 2: Convert to fraction form
5,328,165.60/7,992,248.40 = 4,842,943.20/x - Step 3: Cross multiply
5,328,165.60x = 7,992,248.40 × 4,842,943.20 - Step 4: Simplify right side
5,328,165.60x = 38,706,005,041,490.88 - Step 5: Solve for x
x = 38,706,005,041,490.88/5,328,165.60 - Step 6: Final answer
x = 7,264,414.80
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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.