Finding the Fourth Proportional to 2,131,547.84, 2,941,556.64 and 1,164,678.08
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Solution
The fourth proportional to 2,131,547.84, 2,941,556.64 and 1,164,678.08 is: 1,607,267.02
Step by Step Solution
- Step 1: Write the proportion equation
2,131,547.84 : 2,941,556.64 = 1,164,678.08 : x - Step 2: Convert to fraction form
2,131,547.84/2,941,556.64 = 1,164,678.08/x - Step 3: Cross multiply
2,131,547.84x = 2,941,556.64 × 1,164,678.08 - Step 4: Simplify right side
2,131,547.84x = 3,425,966,539,686.45 - Step 5: Solve for x
x = 3,425,966,539,686.45/2,131,547.84 - Step 6: Final answer
x = 1,607,267.02
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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.