Home / 4,310,080-6,465,152.40-1,913,280.28

Finding the Fourth Proportional to 4,310,080, 6,465,152.40 and 1,913,280.28

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Solution

The fourth proportional to 4,310,080, 6,465,152.40 and 1,913,280.28 is: 2,869,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310,080 : 6,465,152.40 = 1,913,280.28 : x
  2. Step 2: Convert to fraction form
    4,310,080/6,465,152.40 = 1,913,280.28/x
  3. Step 3: Cross multiply
    4,310,080x = 6,465,152.40 × 1,913,280.28
  4. Step 4: Simplify right side
    4,310,080x = 12,369,648,594,114.67
  5. Step 5: Solve for x
    x = 12,369,648,594,114.67/4,310,080
  6. Step 6: Final answer
    x = 2,869,934.80

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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.