Home / 1,547,871.21-2,136,115.71-859,554.59

Finding the Fourth Proportional to 1,547,871.21, 2,136,115.71 and 859,554.59

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Solution

The fourth proportional to 1,547,871.21, 2,136,115.71 and 859,554.59 is: 1,186,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,871.21 : 2,136,115.71 = 859,554.59 : x
  2. Step 2: Convert to fraction form
    1,547,871.21/2,136,115.71 = 859,554.59/x
  3. Step 3: Cross multiply
    1,547,871.21x = 2,136,115.71 × 859,554.59
  4. Step 4: Simplify right side
    1,547,871.21x = 1,836,108,063,308.21
  5. Step 5: Solve for x
    x = 1,836,108,063,308.21/1,547,871.21
  6. Step 6: Final answer
    x = 1,186,215.01

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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.