Finding the Fourth Proportional to 1,706,987.57, 2,355,979.11 and 1,018,314.74
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Solution
The fourth proportional to 1,706,987.57, 2,355,979.11 and 1,018,314.74 is: 1,405,474.94
Step by Step Solution
- Step 1: Write the proportion equation
1,706,987.57 : 2,355,979.11 = 1,018,314.74 : x - Step 2: Convert to fraction form
1,706,987.57/2,355,979.11 = 1,018,314.74/x - Step 3: Cross multiply
1,706,987.57x = 2,355,979.11 × 1,018,314.74 - Step 4: Simplify right side
1,706,987.57x = 2,399,128,249,391.99 - Step 5: Solve for x
x = 2,399,128,249,391.99/1,706,987.57 - Step 6: Final answer
x = 1,405,474.94
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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.