Finding the Fourth Proportional to 2,031,720.69, 2,803,759.70 and 1,113,934.71
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Solution
The fourth proportional to 2,031,720.69, 2,803,759.70 and 1,113,934.71 is: 1,537,221.76
Step by Step Solution
- Step 1: Write the proportion equation
2,031,720.69 : 2,803,759.70 = 1,113,934.71 : x - Step 2: Convert to fraction form
2,031,720.69/2,803,759.70 = 1,113,934.71/x - Step 3: Cross multiply
2,031,720.69x = 2,803,759.70 × 1,113,934.71 - Step 4: Simplify right side
2,031,720.69x = 3,123,205,248,329.19 - Step 5: Solve for x
x = 3,123,205,248,329.19/2,031,720.69 - Step 6: Final answer
x = 1,537,221.76
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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.