Finding the Fourth Proportional to 4,712,062.76, 6,502,473.64 and 2,879,587.60
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Solution
The fourth proportional to 4,712,062.76, 6,502,473.64 and 2,879,587.60 is: 3,973,725.19
Step by Step Solution
- Step 1: Write the proportion equation
4,712,062.76 : 6,502,473.64 = 2,879,587.60 : x - Step 2: Convert to fraction form
4,712,062.76/6,502,473.64 = 2,879,587.60/x - Step 3: Cross multiply
4,712,062.76x = 6,502,473.64 × 2,879,587.60 - Step 4: Simplify right side
4,712,062.76x = 18,724,442,463,070.86 - Step 5: Solve for x
x = 18,724,442,463,070.86/4,712,062.76 - Step 6: Final answer
x = 3,973,725.19
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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.