Home / 2,910,146.40-4,365,219.60-2,779,509.60

Finding the Fourth Proportional to 2,910,146.40, 4,365,219.60 and 2,779,509.60

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Solution

The fourth proportional to 2,910,146.40, 4,365,219.60 and 2,779,509.60 is: 4,169,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,146.40 : 4,365,219.60 = 2,779,509.60 : x
  2. Step 2: Convert to fraction form
    2,910,146.40/4,365,219.60 = 2,779,509.60/x
  3. Step 3: Cross multiply
    2,910,146.40x = 4,365,219.60 × 2,779,509.60
  4. Step 4: Simplify right side
    2,910,146.40x = 12,133,169,784,308.16
  5. Step 5: Solve for x
    x = 12,133,169,784,308.16/2,910,146.40
  6. Step 6: Final answer
    x = 4,169,264.40

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1.5x scale

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.