Finding the Fourth Proportional to 2,877,437.19, 3,970,863.54 and 1,588,277.91
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Solution
The fourth proportional to 2,877,437.19, 3,970,863.54 and 1,588,277.91 is: 2,191,823.64
Step by Step Solution
- Step 1: Write the proportion equation
2,877,437.19 : 3,970,863.54 = 1,588,277.91 : x - Step 2: Convert to fraction form
2,877,437.19/3,970,863.54 = 1,588,277.91/x - Step 3: Cross multiply
2,877,437.19x = 3,970,863.54 × 1,588,277.91 - Step 4: Simplify right side
2,877,437.19x = 6,306,834,844,206.40 - Step 5: Solve for x
x = 6,306,834,844,206.40/2,877,437.19 - Step 6: Final answer
x = 2,191,823.64
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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.