Home / 2,779,308.10-4,168,962.15-2,649,400.30

Finding the Fourth Proportional to 2,779,308.10, 4,168,962.15 and 2,649,400.30

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Solution

The fourth proportional to 2,779,308.10, 4,168,962.15 and 2,649,400.30 is: 3,974,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,308.10 : 4,168,962.15 = 2,649,400.30 : x
  2. Step 2: Convert to fraction form
    2,779,308.10/4,168,962.15 = 2,649,400.30/x
  3. Step 3: Cross multiply
    2,779,308.10x = 4,168,962.15 × 2,649,400.30
  4. Step 4: Simplify right side
    2,779,308.10x = 11,045,249,570,898.64
  5. Step 5: Solve for x
    x = 11,045,249,570,898.64/2,779,308.10
  6. Step 6: Final answer
    x = 3,974,100.45

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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.