Home / 1,547,569.80-2,132,133.30-1,197,506.64

Finding the Fourth Proportional to 1,547,569.80, 2,132,133.30 and 1,197,506.64

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Solution

The fourth proportional to 1,547,569.80, 2,132,133.30 and 1,197,506.64 is: 1,649,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,569.80 : 2,132,133.30 = 1,197,506.64 : x
  2. Step 2: Convert to fraction form
    1,547,569.80/2,132,133.30 = 1,197,506.64/x
  3. Step 3: Cross multiply
    1,547,569.80x = 2,132,133.30 × 1,197,506.64
  4. Step 4: Simplify right side
    1,547,569.80x = 2,553,243,784,115.11
  5. Step 5: Solve for x
    x = 2,553,243,784,115.11/1,547,569.80
  6. Step 6: Final answer
    x = 1,649,840.79

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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.