Finding the Fourth Proportional to 1,547,860.60, 2,135,925.48 and 859,467.52
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Solution
The fourth proportional to 1,547,860.60, 2,135,925.48 and 859,467.52 is: 1,185,997.35
Step by Step Solution
- Step 1: Write the proportion equation
1,547,860.60 : 2,135,925.48 = 859,467.52 : x - Step 2: Convert to fraction form
1,547,860.60/2,135,925.48 = 859,467.52/x - Step 3: Cross multiply
1,547,860.60x = 2,135,925.48 × 859,467.52 - Step 4: Simplify right side
1,547,860.60x = 1,835,758,575,200.41 - Step 5: Solve for x
x = 1,835,758,575,200.41/1,547,860.60 - Step 6: Final answer
x = 1,185,997.35
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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.