Home / 1,547,853.90-2,135,966.52-859,569.42

Finding the Fourth Proportional to 1,547,853.90, 2,135,966.52 and 859,569.42

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Solution

The fourth proportional to 1,547,853.90, 2,135,966.52 and 859,569.42 is: 1,186,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,853.90 : 2,135,966.52 = 859,569.42 : x
  2. Step 2: Convert to fraction form
    1,547,853.90/2,135,966.52 = 859,569.42/x
  3. Step 3: Cross multiply
    1,547,853.90x = 2,135,966.52 × 859,569.42
  4. Step 4: Simplify right side
    1,547,853.90x = 1,836,011,502,735.82
  5. Step 5: Solve for x
    x = 1,836,011,502,735.82/1,547,853.90
  6. Step 6: Final answer
    x = 1,186,165.89

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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.