Finding the Fourth Proportional to 3,178,959.35, 4,386,830.35 and 1,802,395.67
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Solution
The fourth proportional to 3,178,959.35, 4,386,830.35 and 1,802,395.67 is: 2,487,230.30
Step by Step Solution
- Step 1: Write the proportion equation
3,178,959.35 : 4,386,830.35 = 1,802,395.67 : x - Step 2: Convert to fraction form
3,178,959.35/4,386,830.35 = 1,802,395.67/x - Step 3: Cross multiply
3,178,959.35x = 4,386,830.35 × 1,802,395.67 - Step 4: Simplify right side
3,178,959.35x = 7,906,804,027,864.58 - Step 5: Solve for x
x = 7,906,804,027,864.58/3,178,959.35 - Step 6: Final answer
x = 2,487,230.30
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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.