Finding the Fourth Proportional to 2,911,356.36, 4,367,844.69 and 1,270,177.20
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Solution
The fourth proportional to 2,911,356.36, 4,367,844.69 and 1,270,177.20 is: 1,905,619.25
Step by Step Solution
- Step 1: Write the proportion equation
2,911,356.36 : 4,367,844.69 = 1,270,177.20 : x - Step 2: Convert to fraction form
2,911,356.36/4,367,844.69 = 1,270,177.20/x - Step 3: Cross multiply
2,911,356.36x = 4,367,844.69 × 1,270,177.20 - Step 4: Simplify right side
2,911,356.36x = 5,547,936,728,280.19 - Step 5: Solve for x
x = 5,547,936,728,280.19/2,911,356.36 - Step 6: Final answer
x = 1,905,619.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.