Finding the Fourth Proportional to 2,329,130.79, 3,215,462.13 and 1,633,547.75
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Solution
The fourth proportional to 2,329,130.79, 3,215,462.13 and 1,633,547.75 is: 2,255,180.75
Step by Step Solution
- Step 1: Write the proportion equation
2,329,130.79 : 3,215,462.13 = 1,633,547.75 : x - Step 2: Convert to fraction form
2,329,130.79/3,215,462.13 = 1,633,547.75/x - Step 3: Cross multiply
2,329,130.79x = 3,215,462.13 × 1,633,547.75 - Step 4: Simplify right side
2,329,130.79x = 5,252,610,911,594.40 - Step 5: Solve for x
x = 5,252,610,911,594.40/2,329,130.79 - Step 6: Final answer
x = 2,255,180.75
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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.