Finding the Fourth Proportional to 1,564,909.68, 2,159,602.76 and 876,575.56
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Solution
The fourth proportional to 1,564,909.68, 2,159,602.76 and 876,575.56 is: 1,209,689.62
Step by Step Solution
- Step 1: Write the proportion equation
1,564,909.68 : 2,159,602.76 = 876,575.56 : x - Step 2: Convert to fraction form
1,564,909.68/2,159,602.76 = 876,575.56/x - Step 3: Cross multiply
1,564,909.68x = 2,159,602.76 × 876,575.56 - Step 4: Simplify right side
1,564,909.68x = 1,893,054,998,724.55 - Step 5: Solve for x
x = 1,893,054,998,724.55/1,564,909.68 - Step 6: Final answer
x = 1,209,689.62
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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.