Finding the Fourth Proportional to 5,445,724.80, 8,167,712.40 and 1,658,326.80
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Solution
The fourth proportional to 5,445,724.80, 8,167,712.40 and 1,658,326.80 is: 2,487,223.81
Step by Step Solution
- Step 1: Write the proportion equation
5,445,724.80 : 8,167,712.40 = 1,658,326.80 : x - Step 2: Convert to fraction form
5,445,724.80/8,167,712.40 = 1,658,326.80/x - Step 3: Cross multiply
5,445,724.80x = 8,167,712.40 × 1,658,326.80 - Step 4: Simplify right side
5,445,724.80x = 13,544,736,367,612.32 - Step 5: Solve for x
x = 13,544,736,367,612.32/5,445,724.80 - Step 6: Final answer
x = 2,487,223.81
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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.