Home / 2,688,582.16-4,032,768.88-666,831.12

Finding the Fourth Proportional to 2,688,582.16, 4,032,768.88 and 666,831.12

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Solution

The fourth proportional to 2,688,582.16, 4,032,768.88 and 666,831.12 is: 1,000,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,582.16 : 4,032,768.88 = 666,831.12 : x
  2. Step 2: Convert to fraction form
    2,688,582.16/4,032,768.88 = 666,831.12/x
  3. Step 3: Cross multiply
    2,688,582.16x = 4,032,768.88 × 666,831.12
  4. Step 4: Simplify right side
    2,688,582.16x = 2,689,175,788,951.55
  5. Step 5: Solve for x
    x = 2,689,175,788,951.55/2,688,582.16
  6. Step 6: Final answer
    x = 1,000,220.80

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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.