Home / 2,154,684.48-2,973,484.50-1,187,849.40

Finding the Fourth Proportional to 2,154,684.48, 2,973,484.50 and 1,187,849.40

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Solution

The fourth proportional to 2,154,684.48, 2,973,484.50 and 1,187,849.40 is: 1,639,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,684.48 : 2,973,484.50 = 1,187,849.40 : x
  2. Step 2: Convert to fraction form
    2,154,684.48/2,973,484.50 = 1,187,849.40/x
  3. Step 3: Cross multiply
    2,154,684.48x = 2,973,484.50 × 1,187,849.40
  4. Step 4: Simplify right side
    2,154,684.48x = 3,532,051,779,234.30
  5. Step 5: Solve for x
    x = 3,532,051,779,234.30/2,154,684.48
  6. Step 6: Final answer
    x = 1,639,243.15

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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.