Finding the Fourth Proportional to 1,877,688.28, 2,591,210.42 and 1,018,248.28
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Solution
The fourth proportional to 1,877,688.28, 2,591,210.42 and 1,018,248.28 is: 1,405,182.95
Step by Step Solution
- Step 1: Write the proportion equation
1,877,688.28 : 2,591,210.42 = 1,018,248.28 : x - Step 2: Convert to fraction form
1,877,688.28/2,591,210.42 = 1,018,248.28/x - Step 3: Cross multiply
1,877,688.28x = 2,591,210.42 × 1,018,248.28 - Step 4: Simplify right side
1,877,688.28x = 2,638,495,553,283.08 - Step 5: Solve for x
x = 2,638,495,553,283.08/1,877,688.28 - Step 6: Final answer
x = 1,405,182.95
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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.