Home / 3,140,802.40-4,711,203.60-2,909,855.20

Finding the Fourth Proportional to 3,140,802.40, 4,711,203.60 and 2,909,855.20

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Solution

The fourth proportional to 3,140,802.40, 4,711,203.60 and 2,909,855.20 is: 4,364,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,802.40 : 4,711,203.60 = 2,909,855.20 : x
  2. Step 2: Convert to fraction form
    3,140,802.40/4,711,203.60 = 2,909,855.20/x
  3. Step 3: Cross multiply
    3,140,802.40x = 4,711,203.60 × 2,909,855.20
  4. Step 4: Simplify right side
    3,140,802.40x = 13,708,920,293,718.72
  5. Step 5: Solve for x
    x = 13,708,920,293,718.72/3,140,802.40
  6. Step 6: Final answer
    x = 4,364,782.80

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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.