Finding the Fourth Proportional to 6,506,778.71, 8,979,355.47 and 3,606,356.84
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Solution
The fourth proportional to 6,506,778.71, 8,979,355.47 and 3,606,356.84 is: 4,976,772.90
Step by Step Solution
- Step 1: Write the proportion equation
6,506,778.71 : 8,979,355.47 = 3,606,356.84 : x - Step 2: Convert to fraction form
6,506,778.71/8,979,355.47 = 3,606,356.84/x - Step 3: Cross multiply
6,506,778.71x = 8,979,355.47 × 3,606,356.84 - Step 4: Simplify right side
6,506,778.71x = 32,382,759,986,652.98 - Step 5: Solve for x
x = 32,382,759,986,652.98/6,506,778.71 - Step 6: Final answer
x = 4,976,772.90
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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.