Home / 2,426,661.60-3,639,992.40-828,985.20

Finding the Fourth Proportional to 2,426,661.60, 3,639,992.40 and 828,985.20

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Solution

The fourth proportional to 2,426,661.60, 3,639,992.40 and 828,985.20 is: 1,243,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426,661.60 : 3,639,992.40 = 828,985.20 : x
  2. Step 2: Convert to fraction form
    2,426,661.60/3,639,992.40 = 828,985.20/x
  3. Step 3: Cross multiply
    2,426,661.60x = 3,639,992.40 × 828,985.20
  4. Step 4: Simplify right side
    2,426,661.60x = 3,017,499,827,712.48
  5. Step 5: Solve for x
    x = 3,017,499,827,712.48/2,426,661.60
  6. Step 6: Final answer
    x = 1,243,477.80

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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.