Finding the Fourth Proportional to 4,145,315.99, 5,720,547.78 and 2,403,323.10
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Solution
The fourth proportional to 4,145,315.99, 5,720,547.78 and 2,403,323.10 is: 3,316,592.67
Step by Step Solution
- Step 1: Write the proportion equation
4,145,315.99 : 5,720,547.78 = 2,403,323.10 : x - Step 2: Convert to fraction form
4,145,315.99/5,720,547.78 = 2,403,323.10/x - Step 3: Cross multiply
4,145,315.99x = 5,720,547.78 × 2,403,323.10 - Step 4: Simplify right side
4,145,315.99x = 13,748,324,624,327.72 - Step 5: Solve for x
x = 13,748,324,624,327.72/4,145,315.99 - Step 6: Final answer
x = 3,316,592.67
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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.