Home / 1,648,661.40-2,472,992.10-975,502.80

Finding the Fourth Proportional to 1,648,661.40, 2,472,992.10 and 975,502.80

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Solution

The fourth proportional to 1,648,661.40, 2,472,992.10 and 975,502.80 is: 1,463,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,661.40 : 2,472,992.10 = 975,502.80 : x
  2. Step 2: Convert to fraction form
    1,648,661.40/2,472,992.10 = 975,502.80/x
  3. Step 3: Cross multiply
    1,648,661.40x = 2,472,992.10 × 975,502.80
  4. Step 4: Simplify right side
    1,648,661.40x = 2,412,410,717,927.88
  5. Step 5: Solve for x
    x = 2,412,410,717,927.88/1,648,661.40
  6. Step 6: Final answer
    x = 1,463,254.20

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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.