Home / 1,860,328.86-2,565,490.23-1,216,301.10

Finding the Fourth Proportional to 1,860,328.86, 2,565,490.23 and 1,216,301.10

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Solution

The fourth proportional to 1,860,328.86, 2,565,490.23 and 1,216,301.10 is: 1,677,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,328.86 : 2,565,490.23 = 1,216,301.10 : x
  2. Step 2: Convert to fraction form
    1,860,328.86/2,565,490.23 = 1,216,301.10/x
  3. Step 3: Cross multiply
    1,860,328.86x = 2,565,490.23 × 1,216,301.10
  4. Step 4: Simplify right side
    1,860,328.86x = 3,120,408,588,788.25
  5. Step 5: Solve for x
    x = 3,120,408,588,788.25/1,860,328.86
  6. Step 6: Final answer
    x = 1,677,342.46

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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.