Finding the Fourth Proportional to 1,927,569.10, 2,660,013.44 and 1,056,397.08
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Solution
The fourth proportional to 1,927,569.10, 2,660,013.44 and 1,056,397.08 is: 1,457,810.48
Step by Step Solution
- Step 1: Write the proportion equation
1,927,569.10 : 2,660,013.44 = 1,056,397.08 : x - Step 2: Convert to fraction form
1,927,569.10/2,660,013.44 = 1,056,397.08/x - Step 3: Cross multiply
1,927,569.10x = 2,660,013.44 × 1,056,397.08 - Step 4: Simplify right side
1,927,569.10x = 2,810,030,430,776.76 - Step 5: Solve for x
x = 2,810,030,430,776.76/1,927,569.10 - Step 6: Final answer
x = 1,457,810.48
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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.