Finding the Fourth Proportional to 2,645,579.12, 3,651,024.12 and 1,499,681.84
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Solution
The fourth proportional to 2,645,579.12, 3,651,024.12 and 1,499,681.84 is: 2,069,631.76
Step by Step Solution
- Step 1: Write the proportion equation
2,645,579.12 : 3,651,024.12 = 1,499,681.84 : x - Step 2: Convert to fraction form
2,645,579.12/3,651,024.12 = 1,499,681.84/x - Step 3: Cross multiply
2,645,579.12x = 3,651,024.12 × 1,499,681.84 - Step 4: Simplify right side
2,645,579.12x = 5,475,374,570,165.98 - Step 5: Solve for x
x = 5,475,374,570,165.98/2,645,579.12 - Step 6: Final answer
x = 2,069,631.76
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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.