Finding the Fourth Proportional to 3,944,395.48, 5,917,479.92 and 1,248,881.80
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Solution
The fourth proportional to 3,944,395.48, 5,917,479.92 and 1,248,881.80 is: 1,873,603.45
Step by Step Solution
- Step 1: Write the proportion equation
3,944,395.48 : 5,917,479.92 = 1,248,881.80 : x - Step 2: Convert to fraction form
3,944,395.48/5,917,479.92 = 1,248,881.80/x - Step 3: Cross multiply
3,944,395.48x = 5,917,479.92 × 1,248,881.80 - Step 4: Simplify right side
3,944,395.48x = 7,390,232,973,953.46 - Step 5: Solve for x
x = 7,390,232,973,953.46/3,944,395.48 - Step 6: Final answer
x = 1,873,603.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.