Finding the Fourth Proportional to 1,677,987.06, 2,315,547.36 and 980,332.59
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Solution
The fourth proportional to 1,677,987.06, 2,315,547.36 and 980,332.59 is: 1,352,815.28
Step by Step Solution
- Step 1: Write the proportion equation
1,677,987.06 : 2,315,547.36 = 980,332.59 : x - Step 2: Convert to fraction form
1,677,987.06/2,315,547.36 = 980,332.59/x - Step 3: Cross multiply
1,677,987.06x = 2,315,547.36 × 980,332.59 - Step 4: Simplify right side
1,677,987.06x = 2,270,006,540,696.46 - Step 5: Solve for x
x = 2,270,006,540,696.46/1,677,987.06 - Step 6: Final answer
x = 1,352,815.28
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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.