Finding the Fourth Proportional to 1,915,201, 2,642,995.61 and 1,055,792.08
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Solution
The fourth proportional to 1,915,201, 2,642,995.61 and 1,055,792.08 is: 1,457,003.12
Step by Step Solution
- Step 1: Write the proportion equation
1,915,201 : 2,642,995.61 = 1,055,792.08 : x - Step 2: Convert to fraction form
1,915,201/2,642,995.61 = 1,055,792.08/x - Step 3: Cross multiply
1,915,201x = 2,642,995.61 × 1,055,792.08 - Step 4: Simplify right side
1,915,201x = 2,790,453,832,512.77 - Step 5: Solve for x
x = 2,790,453,832,512.77/1,915,201 - Step 6: Final answer
x = 1,457,003.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.