Finding the Fourth Proportional to 1,871,177.68, 2,582,119.16 and 1,055,332.59
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Solution
The fourth proportional to 1,871,177.68, 2,582,119.16 and 1,055,332.59 is: 1,456,299.17
Step by Step Solution
- Step 1: Write the proportion equation
1,871,177.68 : 2,582,119.16 = 1,055,332.59 : x - Step 2: Convert to fraction form
1,871,177.68/2,582,119.16 = 1,055,332.59/x - Step 3: Cross multiply
1,871,177.68x = 2,582,119.16 × 1,055,332.59 - Step 4: Simplify right side
1,871,177.68x = 2,724,994,500,811.42 - Step 5: Solve for x
x = 2,724,994,500,811.42/1,871,177.68 - Step 6: Final answer
x = 1,456,299.17
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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.