Home / 6,403,818.84-9,605,018.32-1,611,509.40

Finding the Fourth Proportional to 6,403,818.84, 9,605,018.32 and 1,611,509.40

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Solution

The fourth proportional to 6,403,818.84, 9,605,018.32 and 1,611,509.40 is: 2,417,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,818.84 : 9,605,018.32 = 1,611,509.40 : x
  2. Step 2: Convert to fraction form
    6,403,818.84/9,605,018.32 = 1,611,509.40/x
  3. Step 3: Cross multiply
    6,403,818.84x = 9,605,018.32 × 1,611,509.40
  4. Step 4: Simplify right side
    6,403,818.84x = 15,478,577,309,852.21
  5. Step 5: Solve for x
    x = 15,478,577,309,852.21/6,403,818.84
  6. Step 6: Final answer
    x = 2,417,085.44

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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.