Home / 2,153,445.54-2,971,887.21-1,186,575.57

Finding the Fourth Proportional to 2,153,445.54, 2,971,887.21 and 1,186,575.57

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Solution

The fourth proportional to 2,153,445.54, 2,971,887.21 and 1,186,575.57 is: 1,637,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,445.54 : 2,971,887.21 = 1,186,575.57 : x
  2. Step 2: Convert to fraction form
    2,153,445.54/2,971,887.21 = 1,186,575.57/x
  3. Step 3: Cross multiply
    2,153,445.54x = 2,971,887.21 × 1,186,575.57
  4. Step 4: Simplify right side
    2,153,445.54x = 3,526,368,760,181.46
  5. Step 5: Solve for x
    x = 3,526,368,760,181.46/2,153,445.54
  6. Step 6: Final answer
    x = 1,637,547.22

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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.