Home / 2,913,643.60-4,370,465.40-2,630,208.40

Finding the Fourth Proportional to 2,913,643.60, 4,370,465.40 and 2,630,208.40

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Solution

The fourth proportional to 2,913,643.60, 4,370,465.40 and 2,630,208.40 is: 3,945,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,643.60 : 4,370,465.40 = 2,630,208.40 : x
  2. Step 2: Convert to fraction form
    2,913,643.60/4,370,465.40 = 2,630,208.40/x
  3. Step 3: Cross multiply
    2,913,643.60x = 4,370,465.40 × 2,630,208.40
  4. Step 4: Simplify right side
    2,913,643.60x = 11,495,234,806,989.36
  5. Step 5: Solve for x
    x = 11,495,234,806,989.36/2,913,643.60
  6. Step 6: Final answer
    x = 3,945,312.60

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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.