Finding the Fourth Proportional to 2,929,826.13, 4,042,776.63 and 1,689,482.28
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Solution
The fourth proportional to 2,929,826.13, 4,042,776.63 and 1,689,482.28 is: 2,331,264.44
Step by Step Solution
- Step 1: Write the proportion equation
2,929,826.13 : 4,042,776.63 = 1,689,482.28 : x - Step 2: Convert to fraction form
2,929,826.13/4,042,776.63 = 1,689,482.28/x - Step 3: Cross multiply
2,929,826.13x = 4,042,776.63 × 1,689,482.28 - Step 4: Simplify right side
2,929,826.13x = 6,830,199,462,392.94 - Step 5: Solve for x
x = 6,830,199,462,392.94/2,929,826.13 - Step 6: Final answer
x = 2,331,264.44
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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.