Home / 4,918,689.61-7,378,255.85-1,506,727.22

Finding the Fourth Proportional to 4,918,689.61, 7,378,255.85 and 1,506,727.22

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Solution

The fourth proportional to 4,918,689.61, 7,378,255.85 and 1,506,727.22 is: 2,260,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,689.61 : 7,378,255.85 = 1,506,727.22 : x
  2. Step 2: Convert to fraction form
    4,918,689.61/7,378,255.85 = 1,506,727.22/x
  3. Step 3: Cross multiply
    4,918,689.61x = 7,378,255.85 × 1,506,727.22
  4. Step 4: Simplify right side
    4,918,689.61x = 11,117,018,880,894.32
  5. Step 5: Solve for x
    x = 11,117,018,880,894.32/4,918,689.61
  6. Step 6: Final answer
    x = 2,260,158.65

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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.