Finding the Fourth Proportional to 6,605,718.86, 9,908,593.41 and 1,813,473.74
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Solution
The fourth proportional to 6,605,718.86, 9,908,593.41 and 1,813,473.74 is: 2,720,214.76
Step by Step Solution
- Step 1: Write the proportion equation
6,605,718.86 : 9,908,593.41 = 1,813,473.74 : x - Step 2: Convert to fraction form
6,605,718.86/9,908,593.41 = 1,813,473.74/x - Step 3: Cross multiply
6,605,718.86x = 9,908,593.41 × 1,813,473.74 - Step 4: Simplify right side
6,605,718.86x = 17,968,973,949,372.05 - Step 5: Solve for x
x = 17,968,973,949,372.05/6,605,718.86 - Step 6: Final answer
x = 2,720,214.76
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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.