Home / 3,514,045.12-5,271,154.08-989,683.36

Finding the Fourth Proportional to 3,514,045.12, 5,271,154.08 and 989,683.36

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Solution

The fourth proportional to 3,514,045.12, 5,271,154.08 and 989,683.36 is: 1,484,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514,045.12 : 5,271,154.08 = 989,683.36 : x
  2. Step 2: Convert to fraction form
    3,514,045.12/5,271,154.08 = 989,683.36/x
  3. Step 3: Cross multiply
    3,514,045.12x = 5,271,154.08 × 989,683.36
  4. Step 4: Simplify right side
    3,514,045.12x = 5,216,773,480,972.11
  5. Step 5: Solve for x
    x = 5,216,773,480,972.11/3,514,045.12
  6. Step 6: Final answer
    x = 1,484,549.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.