Finding the Fourth Proportional to 1,864,963.93, 2,572,272.65 and 1,284,371.47
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Solution
The fourth proportional to 1,864,963.93, 2,572,272.65 and 1,284,371.47 is: 1,771,483.92
Step by Step Solution
- Step 1: Write the proportion equation
1,864,963.93 : 2,572,272.65 = 1,284,371.47 : x - Step 2: Convert to fraction form
1,864,963.93/2,572,272.65 = 1,284,371.47/x - Step 3: Cross multiply
1,864,963.93x = 2,572,272.65 × 1,284,371.47 - Step 4: Simplify right side
1,864,963.93x = 3,303,753,604,721.30 - Step 5: Solve for x
x = 3,303,753,604,721.30/1,864,963.93 - Step 6: Final answer
x = 1,771,483.92
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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.