Finding the Fourth Proportional to 6,360,252.90, 8,778,707.74 and 3,608,550.98
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Solution
The fourth proportional to 6,360,252.90, 8,778,707.74 and 3,608,550.98 is: 4,980,684.71
Step by Step Solution
- Step 1: Write the proportion equation
6,360,252.90 : 8,778,707.74 = 3,608,550.98 : x - Step 2: Convert to fraction form
6,360,252.90/8,778,707.74 = 3,608,550.98/x - Step 3: Cross multiply
6,360,252.90x = 8,778,707.74 × 3,608,550.98 - Step 4: Simplify right side
6,360,252.90x = 31,678,414,374,417.05 - Step 5: Solve for x
x = 31,678,414,374,417.05/6,360,252.90 - Step 6: Final answer
x = 4,980,684.71
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1.5x scale
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.